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8/14/2019 Tm_9-1005 Shotgun Winchester
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8/14/2019 Tm_9-1005 Shotgun Winchester
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CHAPTER 1
INTRODUCTION
Sect ion I . GENERAL
l - l . s c o p e
These instructions are in accordance with the
MAC (app C) and are published for the useof operator, organizational, direct and general
support maintenance personnel maintaining
the Winchester Shotgun, Model 1200.
l-2. Forms and Records
a. General. DA forms and procedures usedfor equipment maintenance will be only those
prescribed in TM 33-750, Army EquipmentRecord Procedures,
b. Recommendations for Maintenance Man-
ual Improvements. Reports of errors, omis-sions, and recommendations for improvingthis publication by the individual user is en-couraged. Reports should be submitted onDA Form 2028 (Recommended Changes toDA Publications) and forwarded direct toCommanding General, Headquarters, U.S.Army Weapons Command, ATTN: AMSWE-SMM-P, Rock Island, Ill. 61201.
Section II. DESCRIPTION AND DATA
l - 3 . Descr ip i i ona. General. The Winchester Model 1200
(fig l-l) is a manually operated, repeatingshotgun of the slide action, hammerless andtakedown type, with a 20 barrel. It has acapacity of five rounds, one in the chamberand four in the magazine.
b. Major Group8 and Assemblies. The fol-
lowing is a brief description of the majorgroups and assemblies :
(1) Gun shoulder stock group. (1, figB-2) Composed of butt stock screws, buttplate, machine bolt, lock washer, gun shoulderstock, swivel screw, and swivel assembly. Thestock is an extension of the barrel and re-ceiver group and provides a supportto shoulder fire the weapon.
(2) Barrel andbc+gonet band assembly.(10, fig B-2) Composed of barrel, bayonetbarrel screws, front sight and bayonet barrelassembly. The bayonet band assembly providesa location for the bayonet Ml917 and a locking
2
lug for securing the bayonet to the shotgun.The front sight serves as an aiming device.
(3) Trigger guiwd group. (16, fig B-2)composed of trigger stop pin screw, left-handand right-hand slide arm supports, carrier as-sembly, carrier plunger, carrier spring, dis-connector assembly, disconnector spring, searbracket assembly, hammer pin, hammer pinsupports, hammer, safety, trigger pin, trigger
and trigger guard. It houses the componentsrequired to provide locking, initial feeding,loading, firing and safety functions of theweapon.
(4) Fore end group. (18, fig B-2) Com-posed of slide arm cap, fore end and slide armextension. The slide arm extension is utilizedto open and close the breech bolt group,permitting loading, firing and unloading theweapon.
(5) Breech bolt group. (22, fig B-2) Com-posed of slide arm bridge, firing pin, firing pinspring, cam pin, firing pin collar extractorspring, extractor breech bolt and bolt slide.
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Rep rinted b y spe c ial permission of the c op yright
owner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Conn.
WE 60046
Figure l-l. 19 Gage, Riot Type, Winchester Shotgun, Model 1~00--right rear view.The breech bolt feeds and locks the round inthe chamber. The firing pin detonates theprimer to fire the weapon. The (fired) roundis removed from the chamber by the extrac-tor.
(6) Receiver and magazine group.(23, fig B-2) Composed of cartridge ejector;magazine tube, magazine Plug, maga-zine spring, magazine follower and receiver.The magazine tube serves as a retainer for thefore end group and provides a storage areafor the cartridges. The receiver houses thecartridge ejector and serves as support for allmajor groups and assemblies of the weapon.
14 . Tabulated DataGage o f bo re __.__._.________..___ . ...12 g a g e
Diameter of bore -0.729 i n .Boring of barrel CylinderT y p e o f a c t i o n ..__SlideType of firing mechanism HammerlessT y p e o f m a g a z i n e -TubularCapacity of magazine .._ 4 rdO p e r a t i o n ManualCo o l in g . -_-AirLength of barrel 20 in .Length of stock and receiver (approx) ..20 in.Length of assembled gun (approx) 40 in.Weight of assembled gun w/o bayonet band
assembly 6.6 lbWeight of assembled gun with attachments 8.5 lbWeight of bayonet Ml917 (approx) 1 lb 2 oz
l -5. Serial Number
The serial number is located on the bottom of
the front end of receiver.
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CHAPTER 2
OPERATING INSTRUCTIONS
Sect ion I . CONTROLS
2 -1 ,. GeneralRefer to table 2-l.
Table 2-l. Controls
Control of instrument Function Reference
Disconnector assembly When depr essed, releases th e fore end group for loading an d un loading B, figure 2-lweapon.
Safety -When in locked (ON) position, prevents firing of weapon A, figure 2-lT r i g g e r - C o n t r o l s f i r i n g o f w e a p o n A, figure 2-l
Reprinted by special permission of the copyright owner, Olin MathiesonChemical Corp., Winchester - Western Division, New Have
A . TRIG G ER A ND SA FETY B. DISCONNECTOR
DISCONNECTORASSEMBLY
ASSEMBLY
WE 60047
Figure 2-l. Controls.
Section i l . OPERATION UNDER USUAL CONDITIONS
2-2. Loading, Fir ing and Unloading quired, clean barr el assembly. Check breech bolt groupfor excess oil or dirt. If required, place a drop of oil
Note. Prior to loading, check bore and chamber of in firing pin hole and the face of the breech bolt.
barrel assembly for obstructions and condition. If r e- a . Refer to figures 2-2 through 2-4.
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,I
STEP , PLACE S A F E TY IN ON (LoCKEDp(pJT\ ON.
WE 60048
F@nv 2-2. Loading shotgun.
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STEP 1. PUSH SAFETY TO OFF
(UNLOCKED) POSITION.
NO TE: PUMP FORE END TO THE REAR THEN FORWARD.THIS ACTION EJECTS SPENT ROUND AND LOADS NEWROUND INTO CHAMBER. RELEASE TRIGGER ANDRE-PULL FOR EACH CHAMBERED ROUND. CONTINUETHIS ACTION UNTIL WEAPON IS EMPTY.
STEP 3. EXTRAC TING AND EJECTING SPENT ROUND.WE 50049
Figure .~-3. Firing shotgu?l.
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Rep rinte d by spe c ial p ermission of the co p yrigh t owner, Olin Ma thiesonChemical Corp., Winch ester - Western Division, New Haven, Co rm.
1. PUSH DOWN ON C ARRIERASSEMBLY.2. DEPRESS CARTRIDG E CUTOFF.NO TE: LIFT UP SLIGHTLY ONBASE OF CARTRIDGE TO CLEARTHE CARRIER ASSEMBLY.
STEP 1 POSITION SAFETY TO ON (LOC KED) POSITION.STEP 2. REMOVE CARTRIDGES FROM MAGAZINE.
CAUTION: MAKE CERTAIN MAGAZINE FOLLOWER IS VISIBLE TO INSURETHAT NO SHELLS REMAIN IN MAGAZINE. WITH BREECH OPEN CHECKCHAMBER TO MAKE SURE IT IS EMPTY. -zI.-STEP 3. EXTRACT AND EJECT LIVE ROUND FROM C HAMBER. . WE 6QO50
Figure z-4. Unloading shotgun.
b. Inspect, clean, and oil weapon (table 3-5).2-3. Doubl e FeedRefer to table 4-2.
2-4. Service af ter F i r ingRefer to table 3-5.
Sect ion III . OPERATION UNDER UNUSUAL CONDITIONS2-5. GeneralRefer to table 3-4.
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CHAPTER 3
OPERATOR AND ORGANIZATIONAL SERVICE AND
MAINTENANCE INSTRUCTIONS
Section I. SERVICE UPON RECEIPT OF MATERIEL3-l. GeneralRefer to table 2-l.
Table S-1. Service Upon Receipt of Materiel
S l cP .-lotion R e f w e n c e1 Remove shotgun an d items from cont ainer.2 Remove VCI, clean and lubricate. Paragraph 3-4
3 Inspect for: Figure B-2
Missing part sProper assembly
4 Fu nction, using once-fired em pty r ound. Figures 2-2 and 2-3.
Caution: Do not use live ammunition when hand functioning weapon.
Sec tion II. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT
3-2. Spec ial Too ls and Equipment 3-3. Repair Parts
a. Opwcztor. Refer to appendix B, section II. a. Operator. None authorized.b.OrganizathzaZ. Refer to appendix B, b. Organizational. Refer to appendix B, sec-
section V. tion IV.
Sec tion Ill. LUBRICATION INSTRUCTIONS
34. General
a . Refer to table 3-2 for cleaning andlubrication materials. Use stock numbers for
requisitioning purposes.b. Refer to table 3-3 for usual lubrication
instructions.
c. Refer to table 3-4 for lubrication instruc-tions for unusual conditions.
Table J -Z . Materials Rkquired for MaintenanceFunctions
ESN6850-965-2332 1tc*rCARBON REMOVING COM-POUND: (P-C-111) (5 gal. pail).
I J SN6850-224-6657
5350-221-0872
8010-582-5382
8010-221-0611
ItewCLEANING COMPOUND, RIFLE
BORE: small ar ms bore cleaner ,
solution (CR) (6 oz can).CLOTH, ABRASIVE : crocus,
ferric oxide and quartz, jean-cloth -backing, closed coat ing, 9 w,
11 lg, 50-sh-sleeve (CA).LACQUER: black (jet) lusterless
type I, color 37038 (16 oz aer osol
can) Spec TT L 9950 type Initrocellulose base.
LINSEED OIL, RAW: (TT-L-00215) (1 gal. can).
LUBRICATING OIL, GENERALPURPOSE : (PL special).
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Table f-5. Preventive Maintenance Checks and Servaces
1
2
3
4
5
6
7
8
9
10
1 1
s12h:$
z
OperatorDai ly A-
XXXX
XX
XX
XX
X
X
w-
X
X
X
X
X
X
X
X
X
X
X
X
fOW.M
X
X
X
X
X
X
X
X
X
X
X
X
l-Item to be inspected
Gun Shoulder Stock Group
Magazine Cap ~. ~.Barrel and Bayonet Band As;
sembly.
Trigger Guard Pin ~~ ..~~ _~.Trigger Guard Group ._.. . . .
Slide Arm Bridge Retaining
Screw.
Fore End Group _
B r e e c h B o l t G r o u p _
E j e c t o r . ..~.....__...__._
B - b e f o r e o p e r a t i o nD - d u r i n g o p e r a t i o n
Aw-2ttgk,ytion M - m o n t h l y
Warning: Before starting inspection, make certain that weapon is
cleared. Inspect the chamber and magazine tube to insure that both
are empty. Determine that no ammunition is in position to beintroduced.
N o t e . Weekly and monthly inspections apply only if weapon is used drily.
Clean and lubricate ..~__....~...____.____--..------___-----..._..
Actuate controls _....~~_.....__.________--.._.--_-____.__--....__Check for missing parts, proper assembly of weapon and if major
groups and assemblies are pr operly secured.Determine that sling is secured to gun shoulder stock group and
bayonet band assembly.
Stock cannot be cracked or loose. Structural strength must not beimpaired.
Check for burs, stripped threads, and if properly secured to m+ga -zinc tube.Bayonet band assembly must be secured to barrel assembly. Check for
unusu al pits or dam age to bore of barr el assembly. Assure tha t bore
is dry and free of obstructions before firing.
Check for bu rs a nd if bent or loose _._~~.._____.~__~__ . . . . . . . . ..__.Check hammer, safety and trigger for proper operation. Actuate
disconnector assembly for proper functioning. Check left hand and
right h and slide arm support for being bent or other dam age. Checkcarrier assembly for freedom of movement.
Check for stripped threads and damaged screw slot. Determine thatslide arm bridge is secured to bolt slide.
Check for proper functioning and cracks in fore end. Structural
str ength mu st n ot be impaired. Check slide arm extensions for ex-
cessive wear, burs or being bent. Slide arm extension cap mustbe secure to the slide arm extension. Check assembly slots on cap
for burrs.
Cam pin must be free of burrs. Breech bolt m ust have free movement
in camways of receiver. Check protrusion of firing pin. Check ex-tractor claw for damage. Check component for visible rust or
corrosion.
Check for burrs or being bent. Test weapon with dummy round or
once-fired empt y round t o insure pr oper ejection of car tr idge. Checkejector support pin for being secure in receiver and if damaged.
Reference
Tables 3-3, 34
Figure 2-l
Table 3-l and fig.
B-2 -Figure 6-2
Figure 5-l
Figure 3-l
IFigure 3-2
Figure 5-3
Figures 5-7, 5-8and 5-9
Figure 5-4
Figure 5-10
Figures 5-11, 5-12
Figures 5-5, 5-6
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x x1 X Receiver and Magazine Group.. Magazine tube should be secured to the receiver. Check tube for dents, .Figure 5-13burrs or damage which will restrict the cartridge. Check helicalcompression spring (magazine) for kinks, and magazine followerfor being broken or burred. Check for rust and corrosion incomponents.
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Section V. TROUBLESHOOTING
34. GeneralRefer to table 3-6.
Table $16. Troubleshooting
Malfu I ie t ion
Failure t o fire _ _ _
Failure t o load or feed
Failure to function correctly
P r o b a b l e c a s e
Failure to load
E m p t y m a g a z i n e
F a u l t y a m m u n i t i o n _. _ _ _Foreign matter in firing pin aper-
ture of cam pin, bolt or boltslide.
Operator fails to disengage safety.
Foreign matter in safety aperture
in trigger.
Fa ilure to m ove bolt slide fully for-
ward.
Dbstruction in the chamber _Defective carrier assembly . _ . ..Foreign matter in RH or LH slide
arm supports or magazine tube.
Foreign matter in bolt, bolt slideor safety well of trigger guard.
I Corrective action.
Note. Fo r c o r re c t iv e a c t io n o f m a l fu n c t io n s n o t
l is t e d i n t h i s t a b l e , r e f e r t o d i r e c t s u p p o r t
~~Ml~kI~l.Pump shell into chamber.
Load magazine (step 2, fig. 2-2).
Pump out defect ive shel l and useother ammunition.
Clean applicable items (4, 8, or 9, fig.B-4 and table 3-3).
Disengage safety (step 1, fig. 2-3).Clean trigger (16, fig. B-3 and table
3-3).
Push fore end forward (step 3, fig.2-2).
Clean receiver (table 3-3).
Notify direct support maintenance.Clean applicable items (2, 3, fig. B-3
and 28, fig. B-2).
Clean applicable items or area (8, 9,fig. B-4 and 18, fig. B-3).
Section VI. MAINTENANCE PROCEDURES
3-7. Rem oval /Ins t a l la t ion o f Major Components
a. Operat or. Field stripping of weapon intomajor groups and assemblies is not authorized.
21. Organizational. Refer to table 3-7.3-8. Disassembly/Assembly of Major
Components
a . Operate. None authorized.b. Organizational. Refer to table 3-7.Note. White arrows shown on illustrations
disassembly, black arrows indicate assembly.
1 2
.
indicate
3-9. Cleaning, inspection and Repair
a. Clsmin~g instrwtions. Refer to table 3-3.B. Inspection. Refer to tables 3-6 and 3-7.c. Repair.
( 1) Replace- bayonet band screws or bay-onet band assembly if damaged or unservice-
able.
(2) No other repair parts are authorizedfor organizational maintenance. If necessary,
evacuate shotgun to direct support maintenancepersonnel.
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T a b l e 3-17. Operator and Organizational Maintenance G u i d e fo v Winchester Shotgun, Model 1200
Group ofassembly
Shotgun .._ . . . . __..__.___
S h o t g u n .._ __
S h o t g u n
Gun shoulder stock group
Barrel and bayonet band
assembly .
T r i g ge r g u a r d g r o u p
Fore end group ~.
Breech bolt group _ 22, figureB-2.
Receiver and magazine 28, figuregroup. B-2.
WISE.
REMOVEjlNSTALL CAP.
Removal/in-stallation
Figures 3-l
and 3-2.
16, figureB-2,
18, figureB-2.
Disassemblyassembly -
_
-
Cleaninrr. inspectionand repair
CLEANING
Refer to paragraph 3-4.INSPECTION
Visually inspect the components for
wear, cracks, dents and damage.
Make certain all parts are properlyinstalled and in working condition.
REPAIR
Remove all traces of rust or scarred
areas from finished surfaces withcloth, moistened with light oil.
Tables 3-3 thru 3-6.Vote. Stock WOUI) will not be removed from re-ceiver and magazine YIBUP.
Paragraph 3-9c.Remove burs on barrel assembly by
stoning (Organizational maintenance
only).
Tables 3-3 thru 3-5.
Tables 3-3 thru 3-5.
Vut c . l*ore end PROUD will not be removed fromreceiver and maaazine croup.
Tables 3-3 thr u 3-5.
Tables 3-3 thr u 3-6.
FirC
B-2 thru B-4
mission of the c op yright owne r, Olin Mathicsonester - Western Division, New Haven, Corm.
BAND ASSEMBLY
REMOVE/ INSTALL BARREL AND BAYONET BAND ASSEMBLY.
WE 60052
Figure 3-l. Removal/installation of barrel and ba.yonet band assembly.AGO 20027A 13
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REMOVE/INSTALL SCREWS.
PLASTIC HAMMER
REMOVE BAYONET BAND AS%f+faLY.INSTALL BAYONET BAND ASSEMBLY. WE 60053
Figure Y-2.Renzova l / i ns t a l l a t iO r f o f b a w n c t
band assembly.
14
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CHAPTER 4
DIRECT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Section I. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT4-l. Special Tools and EquipmentRefer to appendix B.
4-2. Maintenance Repair PartsRefer to appendix B.
4-3. Improvised Tools and EquipmentRefer to table 4-l.
Table 4-l. Improvised ToolsItem Reference
TOOL, assembling cam pin ~.
TOOL, disassembling and assemblingslide arm extension cap.
Figures 4-l and 5-12 ~.Figures 4-2 and 5-10
Required for-
To assemble cam pin to breech boltan d bolt slide.
To disassemble and assemble slide armextension cap to front end of slide
arm extension assembly.
i 1 3/4 t------- i-43
I^w------1 _DRILL R/OD OR
COLD ROLL STEEL
NOTE: ALL DIMENSIONS SHOWNARE IN I N C H E S . WE 60216
Figure 4-f.Improvised tool for assembling cam pin.
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BODY: 6- l/ 2 LONG BY l/ 4 THICK C OLD ROLL STEEL.BLADE: 1 INCH BY l/ 8 X l -1/ 2 TO O L STEEL, FLAT STO C K.RIVETS: 3/16 BY l/ 2 L O N G .
- I I - -1/ 8
NOTE: ALL DIMENSIONS SHOWNARE IN INCHES. WE 60215
Figure 4-2. Improv ised too l for d isassembl ing and assembl ing s l ide arm ex tens ion cap .
Section II. TROUBLES,HOOTING4-4. General and corrective actions for the 12 Gage, Shot-
gun, Riot Type, Winchester, Model 1200 are
Troubleshooting malfunctions, probable causes, listed in table 4-2.
Table 4-2 . Troubleshooting
Malfunction
Failure to fire
Probable causeFailure to f eed
Short or broken firing pin ~.Foreign matter in firing pin aper-
ture in bolt.
Broken hammer
Bent or damaged helical torsionspring (hammer).
Burred or broken trigger spring
N & u . lrirrter aw%w is H c o m p o n e n t o f saw b r a c k e t a s s e m b l y .Broken sear
Broken triggeiForeign matter in sear notch of
h a m m e r .
Burred tr igger guard or foreign
mat in sa fe ty wel l .Damaged disconnector assembly or
helical torsion spring (discon-
nector).
Corrective action
Repair magazine tube (28, fig. B-2).
If un serviceable, tur n in wea pon for
replacement.Replace (2, fig. B-4).
Zlean aperture in bolt and bolt slide(8, 9, fig. B-4).
Replace (13, fig. B-3).
Replace (12, fig. B-3).
Remove burs or replace sear bracketassembly (9, fig. B-3).
Replace sear bra cket as sembly (9, fig.
B-3).
Replace (16, fig. B-3).
Glean sear notch on hammer (table
3-3 and 13, fig. B-3).
Repair t .rigger guard or clean safetywell (18, fig. B-3 and table 3-3).
Replace, 7, 8, fig. B-3).
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Table 4-e.Troubleshoot i r lg-Cont inuedMalfunction Probable cause
Fa ilure to extra ct or eject Worn, burred or broken extractor
Bent or broken h elical compr essionspring (extractor).
Burred or bent ejector
Failure to load or feed Broken or bent carrier assembly
C o r r o d e d m a g a z i n e f o l l o w e r
D a m a g e d m a g a z i n e t u b e _Broken or kinked helical compres-
sion spring (magazine).
Foreign matter in magazine tube
D o u b l e feeding _ _. _ ~._ B u r r e d o r b r o k e n L H o r R H s l i d earm supports.
Note. Cartridge Stop an d cu t o f f a r e eom-wnents of above items.Foreign matter under LH and RH
slide arm supports.
Failure to function correctly Damaged disconnector assembly _Burs or fore ign mat ter in bol t
slide and bolt.
Broken or bent disconnector or heli-cal torsion spring (disconnector).
B u r r e d o r b e n t s l i d e a r m s
Notr. Slide armsare components of s l idea r m cstenrion rcswmbly.
Broken or burred cam pinWeak or damaged firing pin
Safety sticks ~. Burred safety _ _. _D a m a g e d h a m m e r h o u s i n g
Sect ion I I I . INSPECTION
corrective actionReplace (7, fig. B-4).
Replace (6, fig. B-4).
Repair or replace (24, fig. B-2).
Replace (4, fig. B-3).
Clean (ta ble 3-3) or r eplace magazinefollower (27, fig. B-2).
Turn in weapon for replacement.
Replace (26, fig. B-2).
Clean ma gazine t ube (28, fig. B-2).
Replace (2, 3, fig. B-3).
Clean (table 3-3) (2, 3, fig. B-3).
Replace (7, fig, B-3).
Repair (8, 9, fig. B-4) or clean (table
3-3).
Replace (7, 8, fig. B-3).Repair or replace slide arm extension
(21, fig. B-2).
Repair or replace (4, fig. B-4).Replace (2, fig. B-4).
Repair (14, fig. B-3).
Repair (14, fig. B-3).
Replace (17, fig. B-3).
4-5. General
Refer to TB 9-1000-247-35.
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CHAPTER 5
REPAIR INSTRUCTIONS
Sect ion I. GENERAL MAINTENANCE
5-1. General
This section provides instructions on generalmaintenance procedures.
5-2. General Repair Met hods
a. Disassembly and Assembly Procedures.
(1) In disassembling the shotgun, removethe major groups and assemblies wheneverpossible. Refer to figure B-2 and paragraphl-3b. Groups and assemblies may be disas-sembled, as necessary, into individual parts.
(2) Complete disassembly of a unit is not
always necessary in order to make a requiredrepair or replacement. Good judgment shouldbe exercised to keep disassembly and assemblyoperations to a minimum.
(3) During assembly, assemblies andgroups should be assembled first, then installedto form a complete unit. Lubricate frictional(sliding) surfaces before assembly.
b. Replacement of Parts.
Section II. MAINTENANCE
S-5. Specific
Refer to table 5- 1.
(1) Parts will be replaced, when unservice-
able.
(2) If screws and washer are damaged,
they will be replaced.(3) All springs should be replaced if they
are broken, deformed, fail to function properly,or fail to meet specific requirements.
5-3. Cleaning and lubr icat iona. Cleaning. Refer to figures 5-14 thru 5-16.
b. Lubrication. Prior to assembly of majorgroups and assemblies, all components will belubricated in accordance with table 3-3.
54. Fin ished Sur facesa. All metal surfaces subjected to wear and
abrasions and which reflect light or will besubject to rust or erosion, will be treated with
black lacquer.
b. All surfaces must be clean and dry priorto spraying. Allow two hours for lacquer todry.
OF SHOTGUN
1 8 A G O 2 0 0 2 7 A
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CAUTION: IF SCREWDRIVER IS USED, C ARE MUST
BE TAKEN TO INSURE THAT SCREWDRIVER IS INSLOT IN BO LT AND NO T BETWEEN HEAD OF BO LTAND WALL 06 STOCK. IF PRESSURE IS APPLIEDTO SC REWD RIVER WHEN IN LA TTER POSITIO N,IT WILL BREAK G UT THE WA LL OF THE STO C K.
spec ial p ermissionight owner, O lin
Winchester - Western Division, -New Haven, Conn.
SCREW
REMOVE/INSTALL BUTT PLATE SCREWS AND BUTT PLATE.
Reprinted by special permission of the copyrightowner, Olin Mothieson Chemical Corp., Win-chester - Western Division, New Haven, Conn.
REM O VE/ INSTA LL STO C K WITH SWNEL ASSEMBLY.
REMOVE/INSTALL MA CHINE BOLT AND LOC K WASHER.
REM O VE/ INSTALL SC REWS AN D SWIV EL ASSEMBLY.
WE 60057
Figure 5-l . Removal/ ins ta l la t ion of gun sh oulder s tock .
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REMOVE CO UNTER-CLOCKWISE.
INSTALL CLOCKWISE.
Figure 5-2. Re m o v a l / i n s t a l l a t i on o f f r on t s i g h t .
Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Corm.
REMOVE TRIGGER GUARDPIN.
NO TE. INSTALL TRIGG ER GUARD GROUP TOPFCFIGFR RY INSERTING FRONT FND OF RIGHT_. _ _,.C__. _.. _AND LEFT HAND SLIDE ARM SUPPORTS INTOSLOTS AT FRONT END OF RECEIVER PUSHINGREAR END OF GUARD G ROUP DOWN UNTILPROPERLY SEATED (DO NO T FORCE).
INSTALL TRIGG ER GUARDPIN.
-._.,,.-.__._THE HAM MER SPRING MUSTFIT IN RETAINING NO TC HOF SAFETY.
REMOVE/ INSTALL TRIGGER GUARD GROUP. -d r
WE 50059
AGO 20027A
Figure 5-3. Removal/ ins ta l la t ion of tr igger guardgroup.
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REMOVE SLID ARM BRIDG E RETAINING SCREW. REMOVE FORE END AND BREECH BOLT GROUPS.
Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Corm.
FORE ENDGROUP
SEPARATE BREECH BOLT GROUP FROM FORE END GROUP.WE 60060
Figure T-4.Removal/ insta~lation of fore evd and b,cech b o l t g r o u p s .
Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Cow.
Figarc 5-5. RC~OUC e.iccto)..AG O 20027A
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Reprinted by special permission o f. the copyrightowner, Olin Mathieson Chemical Corp. , Win-chester - Western Division, New Haven, Corm.
INSTA LL SLIDE ARM RETA ININ G SC REW.
LOCATION OF EJECTOR AND EJEC TOR SUPPORPIN. BREEC H BOLT O M ITTED FO R C LARITY. -_- -
SEAT EJECTOR ON EJEC TOR SUPPORT PIN.
PLAC E EJECTOR BETWEEN BOLT SLIDE AND
\ FRONT END OF LEFT SIDE OF RECEIVER.\ $
FORE END GROUP
INSTALL BREEC H BOLT AND FORE END GROUPS AND EJECTORIN RECEIVER.
BREEC H BOLT GROUP.
INSTALL BREECH BO LTGROUP ON FORE END G RO UP.
WE 60051
Figure 5-6. Install breech bo l t g roup , e jec tor and s l i de arm br idge re ta in ing screw .
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REMOVE/ l NSTALL TRIGG ER STOP PIN SCREW. REMOVE/INSTALL LEFT HAND SLIDE ARM SUPPORT.
CAUTION: THE CARRIER PIN IS A COMPONENT OF RH SLIDEARM SUPPORT. WHEN REMOVING SUPPORT, PLACE THUMBOR FINGER OVER CARRIER ASSEMBLY TO PREVENT LOSS OF
CARRIER PLUNGER AND SPRING WHEN THE PIN IS REMOVED.
S U P P O R T - *REMOVE/ INSTALL RIGHT HAND SLIDE ARM SUPPORT. CARRIER ASSEMBLYREMOVE/ INSTALL CARRIER ASSEMBLY, CARRIER PAWLPLUNGER AND HELICAL CO MPRESSION SPRING (C ARRIER).\\ Reprinted by special permission of the copyrightowner, Olin Mathieson C hemica l Corp., Win-\ Chester - Western Division, New Haven, Coon.,,c--.
NOTE: HOLD HAMMER WITHTHUMB AND SLOWLY RELEASESPRING PRESSURE WHEN -TRIGGER IS PULLED.
RELEASE HAMMER.
1. PUSH SAFETY TO OFF(UNLOCKED) POSITION.
2. PULL TRIGGER.
WE60065
Figure 5-7. LXsassembly/asscmbly o f trigger guard group (1 of 3).
2 4
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Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-Chester - Western Division, New Haven, Corm.
NO TE: THE RETA INING PINFOR SEAR BRACKET ASSEMBLY
IS A COMPONENT OF DIS-CONNECTOR ASSEMBLY. PLAC ETHUMB OR FING ER OVER SEARBRAC KET AS IT IS UNDERPRESSURE OF TRIGGER SPRING .I
,// i ,,
SPRING _ _._4+DISCONNECTORASSEMBLY
I
LIN E SHOWS PROPER
POSITION OF DISCO NNECTOR
SPRING A T ASSEMBLY.
LOCATION OF DISCONNECTOR AND SPRING.REM O VE/ INSTA LL DISCO NN EC TO R A SSEM BLY ANDHELICA L TO RSION SPRING (D ISC O NN EC TO R).
REMOVE/ INSTALL SEAR BRAC KET ASSEMBLY. REMOVE/ INSTALL HAMMER P I N.
REMOVE/ INSTALL HAM MER GROUP.
NO TE: WHEN A SSEM BLING HAM M ERPIN, HAMMER SPRING SUPPORTS AND
HA M M ER, N O TE THA T THESECOMPONENTS EACH CONTAIN AFLAT CUT, A ND MUST BE IN PROPERA LINEM ENT WITH HA M M ER HO USINGA T TIM E OF ASSEMBLY.
DO NO T DRIVE HAM MER PIN FLUSHWI TH THE HO USIN G . IT M USTPROTRUDE A PPROXIM A TELY l/ R INCHTO ALLOW PRO PER FUNC TION ING O FDISCONNECTOR.
F igure 5-8. D i s a s s emb l ? J / n s s emb lU of t l iggw gunwl g,oup (2 of 3).2 5
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NO TE: TO INSTA LL PRESS SUPPORTSIN W ITH THUMB A ND FING ER
THIN-BLA DED
REMOVE/ l NSTALL HAM MER SPRING SUPPORTS.
REM O VE/ l NSTA LL SA FETY
Ib-- PINREM O VE/ INSTA LL TRIGG ER.
Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp. , WinChester - Western Division, New Ha ve n, Con
SEPARATE/ASSEMBLE HAMMER AND HELICA L TORSIONSPRING .
NO TE: REMOVE FROM RIGHT 1LEFT AS ONE END O F PIN ISSERRATED WITH LIG HT TAPER.
REM O VE/ INSTA LL TRIGG ER PIN.
ER HO USING
TRIGG ER GUARD
NO TE: IT MAY BE NECESSARY TO USE- SOtiE FORCEWHEN REMOVING HOUSING. PULL UP AND OUTFROM TRIG G ER GUA RD. DO NO T PRY.
REM O VE/ INSTA LL HA M M ER HO USING .WE 60068
2 6
Figure 5-9. D i s a s s em b l y / a s s em b l y o f t r i g ge r g u a r d g r o u p (3 of 9).
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Reprinted by special permission of the copyrightowner, Olin Mothieson Chemical Corp., Win-
r- Western Division, New Haven, Corm.
DISASSEMBLY/ ASSEMBLY
REMOVE/ INSTALL SLIDE ARM C AP. REM O VE/ INSTALL FORE END.
WE 60062
Figure 5-10. Disassembly/assembly ofjo,re end group.
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MAKE CERTAIN THAT THE TAB OF THE BRIDGE DROPSDOWN BETWEEN THE FLANG E AND THE HEAD OFFIRIN G PIN TO RETA IN IT IN PLACk.
TAB
SLIDE ARM BRIDGE INSTALLED.
Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Conn.
REMOVE FIRING PIN AND SPRING.
CAUTION: AFTER CAM PIN HAS\ BEEN REMOVED. PLACE THUMB
OR FINGER OVkR THE REAREND O F THE BREECH BO LTBEFORE REMOVING PUNCH.FIRIN G PIN COLLAR ANDs EXTRACTOR SPRING AREUNDER PRESSURE AND WILLFLY O UT IF NO T PROTECTED.
& EXTRkCTOR
RETAINING FIRING PIN C OLLAR AND EXTRACTOR SPRINGDURING REMOVA L OF BREECH BOLT COMPONENTS.
CAUTION: HOLDTHUMB OVER FIRINGPIN TO PREVENT PINAND SPRING FROM
BEIN G LOST UNTILBRIDGE IS REMOVEDO R IN STA LLED.
IN STA LLA TIO N:
REMOVE/ INSTALL SLIDE ARM BRIDG E.
PIN ._REMOVE CAM PIN.
BREECH
BOLT
FIRINGPINCOLLAR
REMOVE FIRING PIN COLLAR, HELICAL COMPRESSIONSPRIN G, EXTRACTOR AND BREECH BOLT.
WE 60063
Figure 5-11. Diaassembl~/asscmbly of breech bolt group (1 of 2).
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INSTALL HELICAL COMPRESSIONSPRING ON FIRING PIN. INSERTSPRING AND PIN IN BREECH BOLTFROM REAR, MAKING CERTAINTHAT FIRING PIN PASSES THRU
-HOLE IN CAM PIN. COMPRESSFIRING PIN. \
INSTALL FIRING PIN AND HELICAL COMPRESSIONSPRING (FIRING PIN).
NOTE: ALINE CAM SLOT WITH CAM PIN HOLE IN THEBOLT BY LIFTING BOLT SLIDE SLIGHTLY. START END OFCAM PIN NEAREST FIRING PIN HOLE INTO THE BOLT.THE HOLE IN CAM PIN MUST BE IN LINE WITH THE LONGAXIS OF BOLT. USING DRIFT PIN OR (IMPROVISED) CAMPIN ASSEMBLY TOOL, PUSH FIRING PIN COLLAR DOWNTO COMPRESS THE HELICAL COMPRESSION SPRING.
CAUTION: DO NOT HAVE YOUR FACE IN LINE WITHBACK END OF BOLT DURING THIS OPERATION. PUSHCAM PIN IN AS FAR AS IT WILL GO. AT THIS POINTCOLLAR MAY PREVENT PIN FROM SEATING FULLY. IFNECESSARY, USE A SMALL ROD OR SCREWDRIVER TODEPRESS THE UPPER EDGE OF COLLAR WHILE SEATING
CAM PIN.BOLT SHOULD BE BOTTOM SIDE UP WITH EXTRACTOR ONRIGHT HAND SIDE. LOOKING THRU BOLT FROM REAR,CLEAR PASSAGE FOR FIRING PIN SHOULD BE VISIBLE.
Reprinted by special permission of the copyrightowner, Oin Mothieson Chemical Corp., Win-chester - Western Division, New Haven, Corm.
INSTALL BREECH BOLT.
EXTRACTOR
INSTALL EXTRACTOR,
SEAT CAM PIN.
CAM PINASSEMBLY
INSTALL CAM PIN.
BREECH BOLT
F i g zw e 5-M Disaeeembly/assembl~ of breech bol t group (2
SPRING AND COLLAR.
of 2).29
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CAUTION: WHEN REMOVING \
MAGAZINE SPRING FROM
-.\
PLUG
\ ? I/REMOVE MAGAZINE PLUG. INSTALL MAGAZINE PLUG.
MAGAZINE
Reprinted by special permission of the copyright owner, Olin MothiesonChemical Corp., Winchester - Western Division, .N Haven, Corm .
1t
E
NOTE: DO NOT ATTEMPT TO REMOVEMAGAZINE FROM RECEIVER AS THIS
IS A FACTORY ASSEMBLY OPERATIONONLY.
PLUG
R E M O V E/IN STA LL PLUG AND HELIC AL COMPRESSION SPRING (M AG A ZI N E) .
3 0
FOLLOWER ,,
REMOVE 6REMOVE/ INSTALL MAGAZINE FOLLOWER.
Figure 5-13. Disasscmbl~/assembl~ o f mccgazitle.
WE 60069
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Reprinted by special permission of the copyright
A - CLEANING MAGAZINE TUBE.
B - CLEANING BARREL.
C - CLEANING SLIDE ARM EXTENSION. WE 60071
3 1
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BRUSH IRECEIVER
A _LUBRICATNG RECEIVER AND MAGAZINE TUBE*
B _ LUBRICATING SLIDE ARM EXTENSION.\
> >BAND
ASSEMBLY
C _L(,BR\ CAT NG BARREL AND BAYONET BAND ASSEMBLY.h
,..^ .tIGGER GUAKU Vnuu- WE 60070- LUBRICATING Tr rnr\,,D*_^^,,n
D _ LUBRICATING BREEC :H BOLT GKUur.
Fig ure 5-I 5. Lub ric a ting instructic s* Aa 20021
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NOTE: RURUNSEEDOIL IN WOOD TOTREAT STOCK.
A. STOCK WITH SWIVEL ASSEMBLY. B. FORE END.WE 60072
Figure 5-16. Cleuniug and treating wooden components.
5-6. Functioning with Once-Fired Empty will be handfunctioned, using five once-fired
Roundsempty rounds. Shotguns which fail in above-noted test will be corrected by replacement of
Shotguns authorized to be repaired in the field defective parts.
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CHAPTER 6
MATERIAL USED IN CONJUNCTION WITH MAJOR ITEM
6- 1. GeneralThis chapter contains information on materielused with the major item.
6-2. Description
a. Bayonet, Ml91 7. (fig. B-l) It is used forclose contact, guarding of prisoners and riotduty. It can also be used as a general utilityknife. It has a cutting edge of 14.81 inches atthe bottom running from the point. The handlefits comfortably and has a knurled surface fora firm grip.
b. Sling, Ml. (fig. B-l) It hooks on the gunshoulder stock swivel and adapter swivel ofbayonet band assembly and aids the operatorin carrying and firing the weapon.
c. ScaBbard, Bayonet, M1.917. (fig. B-l) It isused to carry the bayonet Ml917 when notbeing used on the shotgun.
6-3. Removal/Installation
a. Buyovet, M1917. Refer to figure 6-l.b. Sling, Ml. Refer to figure 6-2.
Figure F-l. Remove/install bayonet, B1917.
6 - 4 . Disa&embly/Assembly 6-5. Cleaning, Inspection and RepairNone authorized. a. Cleaning.
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-./ STEPI. REMOVE SLING FROMy.J SWIVEL ON BAYONET BAND_J
ASSEMBLY.
STEP 2. REMOVE SLING FROMSTOCK SWIVEL ASSEMBLY.
TO INSTALL: REVERSE PROC EDURE.
WE 60075
Figure 6-2. Rem ove/ insta l l sling.
(1) Bayonet M1917. Remove grease, oil,and dirt with carbon removing compound (P-C-111). Lubricate with general purpose lubri-cating oil (PL special).
(2) Sling, ,441. Clean with dry cleaningsolvent (SD), using cloth or bristle brush.(3) Scabba(rd,M l 917. Clean metal parts
with carbon removing compound. The samecompound can be used to clean plastic com-
ponents if required. Lubricate with generalpurpose lubricating oil.
b. Irspection.(1) Bayonet, M1917.
(a ) Should fit shotgun properly and
latch securely.(b ) If blade tip or grips are broken,
replace.
(c) Blade should be free of nicks,turned edges, rust and corrosion.
(2) S l i n g , . Ml .( a ) Inspect for required components
such as hooks, fasteners, etc.
(b ) Check for cuts or other damagewhich will reduce strength or protective
qualities.(c) Examine corners, seams and edges
closely.
(3) Scabb~ard, Bayonet, M1917 .(a ) Metal parts should be dark. Re-
paint if required).
(b) Spring should hold bayonet wheninserted in scabbard.
(c) Loops or hooks for attaching to beltshould not be damaged. They will be securelyfastened to the metal top plate.
c. Re p a i r . Replace bayonet, M1917, Sling,Ml, Scabbard, Bayonet, Ml917 or cleaning rod
(wooden) if unserviceable.
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CHAPTER 7AMMUNITION
7- 1. Genera lThe ammunition (fig. 7-1) for the shotgun isclassified as small arms ammunition and isissued in the form of a complete round. Thecartridge consists of the lead pellets (00 buck-shot), cartridge case (which is water proofed),wadding, propellant powder and primer neces-sary to fire the weapon. For additional infor-mation, refer to SC 1305/30-IL and TM-1305-200.7-2. Func t ion ingTest
unction fire shotgun with once-fired emptyNote. The empty round should be weighted to ap-
proximately the same weight as a live round.3. Mal func t io ns Involv ing
Amm uni t ion and Explos ivesto TM 9-1300-206.
Reprinted by special permission of the copyrightowner, Olin Mothieson Chemical Corp., Win-chester - Western Division, New Haven, Conn.
t-2.3 IN. APPROX.
I
BRASS PLA3TIC
LOADED WiTH SMOKELESS POWERAND NO. 00 BUCKSHOT. WE 60158
Figure 7-l. l&gage shotgun cartridge.
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CHAPTER 8FINAL INSPECTION
8-1. l n rpec t ion ProceduresRefer to table 8-l.
Table 8-l. Final Inspection
Shotgun _..__..._
Trigger pullGun shoulder stock
group.
BarrelBayonet band
assembly.
Trigger guard group
Fore end group
AGO 2OO!!lA
Point or itemot rs3pectlon___ _..___. ._.- -.--Exposed surfaces
(metal).Exposed surfaces
(wood).prigger
_ _ ..__ ___.__Butt plate
swivel assemblyBore and chamber:uard and adapter
_ __ - __ _lafety _.
rigger guardrigger:arrier assembly,eft and right hand
slide armssupports.
Method ofinspectionVisualVisualVisualFunctionalVisualVisual .
VisualVisualVisual
VisualFunctional
Visualunctional?unctional Visual
Functional
Visual
__
Acceptable conditionCornpIke an d serviceable wea pon.Dull finish (phospha te). Fr ee of scrat ches
and abrasions.Smooth finish (linseed oil). Fr ee of cracks,
chips and gouges.3.5 lb minimum to 8.0 lb maximum.Must fit ma ting sur faces of receiver.Must be secured to stock. Moun ting holes
must n ot be str ipped. Scrat ches and smallgouges are acceptable.
Must be free swinging and properly secur edto stock.
Must be free of powder residu e, bulges,cracks, and deep pits.
Han d guard must be firmly secur ed toadapt er. Locking lug of adapt er must befree of bur s. Swivel mu st be free swing-ing. Fr ont sight mu st n ot be loose orprotrude through adapter.
Will not bind or fit loosely in receiver.Must function proper ly in ON an d OFF
positions with out binding an d provide apositive stop.
Will not be cracked or damaged which willimpair m ovement of tr igger and safety.
Zock an d pull tr igger. Any evidence ofcreep must be removed.
Must function up and down freely.Will not have burs or be bent.
Han d function weapon with five emptyrounds to insure that shell stop and cart-ridge cutoff function properly.
Will not have cra cks or other dama ge. Mustfbnction freely with receiver an d ma ga-zine group and slide arm extension.
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Table 8-1. Final Inspection-ContinuedComponentor assembly
Breech bolt group _
Maga zine ._ .___
Magazine capReceiver group
Point or it&of inspection
Firing pin hole . ~.Extr actor _ _ __Extractor spring
Magazine tubeMagazine plug,
follower.
EjectorEjector support pin
Method ofinspectionVisual __.. ..____.Visual __....______.Visual ____Visual _ _ _ _. _
Visual
Visual .._________._Fu nctional or visualFu nctional or visual
Acceptable conditionMust be secured to slide arm supports.Must be free of residue and corrosion.Free of bure, hand spring tension and thehook will not be cracked or mutilated.Pr ess on extra ctor, with thu mb, to see if
spring is providing proper t ension. Mustnot be weak.
Must be secured to receiver.Must be free of burs, dents, bulges and
rus t. Follower must slide easily into mag-azine tube.
Must be secured to magazine tube.Will be free of bur s, den ts, an d bulges on
all operating surfaces.Will be free of burs an d not bent. S hould
eject empty cartridges.Will be free of burs and not broken orbent.
8-2. Funct ion ing and Fir ing Teat s b. Upon completion of firing, shotguns willa. Shotguns will be hand functioned in be properly cleaned and lubricated (para 3-4).
accordance with paragraph 5-6 and fired on afiring range or a provisional range using five 8-3. Comple t ion o f Inspect ionlive cartridges. Shotguns which fail to meet When shotgun has been restored to a ser-the functioning and firing tests are to be viceable condition, and inspected to certifycorrected by the replacement of defective serviceability, it will be returned to the usercomponents. or to stock.
38 AGO 20W7A
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ADMINISTRATIVEMATERIEL
CHAPTER 9STORAGE AND DEMOLITION OFTO PREVENT ENEMY USE
Admin is t ra t i ve Sto rageto TM 740-90-l.
Demol i t ion of -Mat er ie l To PreventEnemy Usea. Destruction of the shotgun when subjectcapture or abandonment in the combat zone,be undertaken only when, in the judgmentthe Commander concerned, such action is
necessary. The authority for ordering the de-struction of equipment is vested in divisionalr higher commanders when the situation re-If destruction is resorted to, thequipment must be so badly damaged that it
be restored to a usable condition in theeither by repair or cannibaliza-
tion. The reporting of the destruction ofequipment is to be done through commandchannels.
b. Priorities for destruction of parts andequipment are :Receiver and magazine groupBarrel assembly and bayonet band assemb-
lYBreech bolt groupTrigger guard group
c. The same priority for destruction of com-ponent parts of a major item necessary torender that item inoperable must be given tothe destruction of similar components in spareparts storage areas.
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APPENDIX AREFERENCES
A-l. Publication Indexes _The following indexes should be consulted frequently for the latest changes or revision of ref-erences given in this appendix and for new publications relating to material covered in this manual.Index of Administrative Publications DA Pam 310-lIndex of Army Films, Transparencies, GTA Charts, and Recordings DA Pam 108-lIndex of Blank Forms _ _ _ _ __ _ ~. . _DA Pam 310-2Index of Doctrinal, Training, and Organizational Publications DA Pam 310-3Index of Graphic Training Aids and Devices _ _ . . . _ _ _ . DA Pam 310-5Index of Supply Catalogs and Supply Manuals (Excluding Types7, 8and 9) ________________~________~ ~______.._____.____.. .-DA Pam 310-6Index of Technical Manuals, Technical Bulletins, Supply Manuals,(Types 7, 8 and 9) Supply Bulletins, and Lubrication Orders DA Pam 310-4A-2. Supply CatalogsSets, Kits and Outfits Components Lists, Tool Set, Direct and Gen-eral Support .Maintenance, Basic Small Arms _ _ _ . _ SC 4933-95-CGE04Ammunition and Explosives . . _ __ __ SC 1305/30-ILA-3. FormsThe following forms pertain to this material.DA Form 2028, Recommended Changes to DA Technical Manual,Parts Lists or Supply Manual 7, 8 and 9DA Form 2407, Maintenance RequestA4 Other PublicationsThe following explanatory publications pertain to this materiel.
a. Ammunition.Care, Handling, Preservation and Destruction of Equipment TM 9-1300-206Small Arms Ammunition . _ . _ _ _ _ TM 9-1305-200
b. Cleaning.Cleaning of Ordnance Materiel . _ _ __ . ~. . . .Materials Used for Cleaning, Preserving, Abrading, and Cement-
TM 9-208-l
ing Ordnance Materiel and Related Materials Including Chemicalsc. Impection. TM 9-247Small Arms Weapons: Standards for Visual Inspection of Barrels TB ORD 43740 AC0 2OiK!7r\
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Standards for Oversea Shipment or Domestic Issue of Small Arms,Aircra ft Arma men t, Towed Howitzers , Mort ar s, Recoilless Rifles,Rocket Laun chers an d Associat ed Fire Equipm ent _ . _ . _ _ _ __ . _ _ _ _ _ _TB 9-1000-247-35d. Issue of S upplies and Equipm ent.
The Army Equipment Record P rocedures _ _ _ _ . _ _ _ . _ _ _ . . _ . . TM 38-750e. Logistics.
Operat ion an d Mainten an ce of Army Mat eriel in Extr eme ColdWea ther 0 to -66 __________._____.._______.___________________TM 9-207f. Storage.
Administrative Storage of Equipment _ _ _ _ _ _ _ _ _TM 740-90-l
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APPENDIX 6COMBINED ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL
SUPPORT REPAIR PARTS AND SPECIAL TOOLS LIST
Section I. INTRODUCTIONB-l. Sc op eThis appendix lists basic issue items, repairparts and special tools required for the per-formance of organizational, direct support andgeneral support maintenance of the WinchesterShotgun, Model 1200.B-2. GeneralThis Basic Issue Items, Repair Parts, andSpecial Tools List is divided into, the followingsections :
a. Basic Issue Items-Section II. A list ofitems which accompany the shotgun and arerequired by the operator/crew for installation,operation, or maintenance.
b. Main tenance and Operat ing Supplies-Section III. A listing of maintenance andoperating supplies required for initial opera-tion.
c. Prescribed Load Allow ance (PLA). Notapplicable.
d. Repair Parts-Section IV. A list of re-pair parts authorized for the performance ofmaintenance at the organizational level infigure and item number sequence.
e. Special Tools, Test and Support Equip-ment-Se&m V. A list of special tools, testand support equipment authorized for the per-formance of maintenance at the organizationallevel.
f. Repair Parts-Section VI. A list of re-pair parts authorized for the performance ofmaintenance at the direct support and general42
support level in figure and item numbersequence.g. Special Tools, Test and Support Equip-ment-section VZZ. A list of special tools, testand support equipment authorized for the per-formance of maintenance at the direct supportand general support level.
h. Federal St ock Number and ReferenceNum ber Index-Section VIII. A list of Federalstock numbers in ascending numerical sequence,followed by a list of reference numbers appear-ing in all the listings, in ascending alpha-numeric sequence, crossreferenced to theillustration figure number and item numbeyB-3. Explanat ion of ColumnsThe following provides an explanation ofcolumns in the tabular lists in sections IIthrough VII.
a. Source, Main teruww e, and RecoverabilityCodes (SMR) .
(1) Source Code. Indicates the selectionstatus and source for the listed item. Sourcecodes used are:Code Ezplanation
P Repair part s which ar e stocked in or suppliedfrom the GSA/DSA, or Army su pply system ,and aut horized for use at indicated m ainten ancecategories.
M Repair par ts which are not procur ed or stockedbut are manufactured at indicated maintenancecategories.
A Assemblies wh ich are not procur ed or stockedas such but are made up of two or more units,each of which carr y individual FSNs and de-scriptions and are procured and stocked andcan be assembled by units a t indicat ed main-tenance categories.
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CodeX
Xl
x2
C
G
Par ts a nd assemblies which ar e not procured orst ocked; t he mort ality of which is norma llybelow tha t of th e applicable end item; and thefailure of which should result in retirementof th e end item from th e supply system .Repair part s which ar e not procur ed or stocked,
th e requirem ents for which will be suppliedby use of next higher assembly or component .Repair parts which are not stocked. The indi-
cated maint enan ce category requiring such re-pair part s will at tempt to obtain th rough can-nibalization ; if not obtaina ble thr ough cann i-balization, such repair part s will be requisitionedwith supporting justification thr ough norma lsupply channels.Repair parts authorized for local procurement.When not obtainable from local procur ement ,such repair part s will be requisitioned thr oughnormal su pply chan nels with a supporting sta te-men t of nonavaila bility from local pr ocur emen t.Major assemblies t hat are procur ed with PE MA
funds for initial issue only to be used as ex-change assemblies at DSU and GSU level. Theseassemblies will not be stocked above DSU andGSU level or returned to Depot supply level.
(2) Muinttmunce Code. Indicates thelowest category of maintenance authorized toinstall the item. The maintenance level codesare :CO& Ezalonation
C Crew/Operator0 Organizational MaintenanceF Direct Support MaintenanceH General Support Maintenance
(3) Recoverability Code. Indicates whethernserviceable items should be returned for re-ry or salvage.
odeR
T
U
S
Repair part s a nd assemblies which a re economi-cally repairable at DSU and GSU activities andar e normally furnished by supply on an ex-change basis.High dollar value recoverable repair partswhich a re subject to special ha ndling and areissued on an exchange basis. Such repair part sar e normally repair ed or overha uled at depotmaintenance activities.Repair par ts specifically selected for salvageby reclama tion units becau se of precious meta lcont ent, critical mat erials, high dollar valuereusable casings, etc.Repair pa rt s an d assemblies which a re economi-cally -repairable at DSU and GSU activitiesand norma lly. ar e furn ished by supply on anexcha nge basis. H owever, wh en these items ar edeterm ined to be uneconomically repaira ble bya GSU t hey will be evacuat ed to a depot forevalua tion an d an alysis before fina l disposition.
Par ts will be considered expendable.
20027A
6. Federal Stock N um ber. Indicates theFederal stock number assigned to the item andwill be used for requisitioning purposes.c. Description. Indicates the Federal itemand a brief description of the item. The
abbreviation w/e when used as a part of thenomenclature, indicates the Federal stocknumber includes all armament, equipment,accessories, and repair parts issued with theitem. A part number or other reference numberis followed by the applicable five-digit Federalsupply code for manufacturers in parentheses.Repair parts quantities included in the kits,sets, and assemblies are shown in front of therepair part name.
d. Unit of Mea-sure (U/M). A 2 characteralphabetic abbreviation indicating the amountor quantity of the item upon which the allow-ances are based, e.g., ft, ea, pr, etc.
e. Quant ity Incorporated in Unit. Indicatesthe quantity of the item used in the functionalgroup or assembly. AV appearing in thiscolumn in lieu of a quantity indicates that adefinite quantity cannot be indicated (e.g.shims, spacers, etc) .
f. Quant ity Furnished w ith Equipment.Indicates the quantity of an item furnishedwith the equipment (BIIL only.
g. Component Application. Identifies thecomponent application of each maintenance oroperating supply item (M&O supplies only).
h. Qm mt ity R equired for Initial O peration.Indicates the quantity of each maintenance oroperating supply item required for initialoperation of the equipment (M&O suppliesonly).
i. Qua&it y Required for 8 Hours O peratim .Indicates the estimated quantities required foran average 8 hours of operation (M&O suppliesonly).
j. Notes. Indicates informative notes keyedto data appearing in a preceding column (M&Osupplies only).
k. 15Daze Organizational Maintmance.Allowances.
(1) The allowance columns are divided in-to four subcolumns. Indicated in each sub-column opposite the first appearance of each
43
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item is the total quantity of items authorizedfor the number of equipments supported. Sub-sequent appearances of the same item will havethe letters RE in the allowance columns.Items authorized for use as required but notfor initial stockage are identified with an as-terisk in the allowance column.
(2) The quantitative allowances fororganizational level of maintenance representsone initial prescribed load for a 15-day periodfor the number of equipments supported. Unitsand organizations authorized additional pre-scribed loads will multiply the number ofprescribed loads authorized by the quantity ofrepair parts reflected in the appropriatedensity column to obtain the total quantityof repair parts authorized.
(3) Organizational units providing main-tenance for more than 100 of these equipmentsshall determine the total quantity of parts re-quired by converting the equipment quantityto a decimal factor by placing a decimal pointbefore the next to last digit of the number toindicate hundredths, and multiplying the dec-imal factor by the parts quantity authorizedin the 51-100 allowance column. Example,authorized allowance for 51-100 equipments is12; for 140 equipments multiply 12 by 1.40 or16.80 rounded off to 17 parts required.
(4) Subsequent changes to allowances willbe limited as follows: No change in the rangeof items is authorized. If additional items areconsidered necessary, recommendation shouldbe forwarded to Commanding General, Head-quarters, U.S. Army Weapons Command,ATTN : AMSWE-SMM-SA, Rock Island,Illinois 61201 for exception or revision to theallowance list. Revision to the range of itemauthorized will be made by Headquarters, U.S.Army Weapons Command based upon engineer-ing experience and demand data, or TAERSinformation.
1. 30-Day DS/GS Maint enance Allow ances.Note. Allowances in GS column are for GS main-
tenance only.(1) The allowance columns are dividedinto three subcolumns. Indicated in each sub-
column, opposite the first appearance of eachitem, is the total quantity of items authorizedfor the number of equipments supported. Sub-
sequent appearances of the same item will havethe letters RE in. the applicable allowanc$columns. Items authorized for use as requiredbut not for initial stockage are identified withan asterisk in the allowance column.
(2) The quantitative allowances for DS/GSlevels of maintenance will represent initialstockage for a 30-day period for the numberof equipments supported.
(3) Determination of the total quantity ofparts required for maintenance of more than100 of these equipments can be accomplishedby converting the equipment quantity to a dec-imal factor by placing a decimal point beforethe next to last digit of the number to indicatehundredths, and multiplying the decimalfactor by the parts quantity authorized in the51-100 allowance column. Example, authorizedallowance for 51-100 equipments is 40; for 150equipments multiply 40 by 1.50 or 60 partsrequired.
m. l-Year Allow arlces Per 100 Equipments/Contingency Planning Pzcrposes. Indicatesopposite the first appearance of each item thetotal quantity required for distribution andcontingency planning purposes. The range ofitems indicates total quantities of all authorizeditems required to provide for adequate supportof 100 equipments for one year.
TL. llustration.(1) Figure Number. Indicates the figure
number of the illustration in which the itemis shown.
(2) Item Number. Indicates the calloutnumber used to reference the item in .theillustration.E-4. How to locate Repair Parts
a. When Federal stock number or referencenumber is unknown:
(2) First. Using the table of contentsdetermine the functional group or subgroup,i.e., stock group, barrel and bayonet band as-sembly, breech bolt group within which therepair part belongs. This is necessary becauseseparate illustrations are prepared for func-tional groups or subgroups and listings aredivided into the same groups.
(2) Second. Find the illustration cover.44 AGO 2 0 0 2 7 A
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Sec tion IV. REPAIR PARTS FOR ORGANIZATIONAL MAINTENANCE(2)ZYNO.
(6)1 5 D a y O r n a n i z a t i o n a lMain t . A l lowance(3)
Descr ip t ion
(7)I l l u s t ra t ion
CD)il-100
*
***IIE PA I R PA R T S FO R :SCREW, BAYONET BAND:6284554 (19205)BAND ASSEMBLY,BAYONET : 11686389(19205)P 0 5305-930-57291005-939-7170 EAEA 310Sec tion V. SPECIAL TOOLS, TEST AND SUPPORT EQUIPMENT FORORGANIZATIONAL MAINTENANCE
(4)
ud;MCSS1
-
(1)source,M a i n t . a n dRecov . code
TI(6)15 Day Or gan iza t iona lMain t . . A l lowanceE-*0
*
*
*
3-*****
-
FL-2
2
2
2
2
(7)I l l u s t ra t ion
(3)
Descr ip t ion
TOOLS AND EQUIPMENTAUTHORIZED FOR UNIT
R E PL A C E M E N TSWAB, SMALL ARMS
CLEANING : COTTON,21% SQ (iOO0 IN P KG)5019316 (19204)
ROD, CLEANIN G, SMALLARMS: M9 6301446(19204)
SLING, SMALL ARMS: Ml,WEBBING 6544068(19204)
BAYONET: Ml917 11686400(19204)
SCABBARD, BAYONET:Ml917 7265706 (19206)
(b)d a i n(a)is. no. (b )t e r n N o .
1005-288-3565
1005-630-1446
1005-654-4068
1005-913-2602
1095-726-5706
PG
EA
EA
EA
EA
B-l 1
B-l 4
B-l
B-l
AGO 20027A
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te8 (1)> SOUUX.Mai n t . an dIkcov. code
(8)source
APP
PPPPPPAPPPPPAPAP
e
(b)hint .-
_~FF
FFFFFF
00FFF--F
F
5305-621-01431005-809-0721
5306-020-99135310-017-86871005-614-68731005-614-77211005-805-33671005-805-3754
5305-930-57291005-939-71701005-805-32671005-805-40485315-017-8673
5305-021-0114
1005-805-4246
(3)
Desc r i p t i o n
REPAIR PARTS FOR:IAJOR GROUPS, ASSEMBL IES AND ATTACHING
PARTSGUN SHOULDER STOCK GROUP
CREW, BUTT PLATE: PHILLIPS HD.2009112 (66118)LATE, BUTT, SHOULDER:1812-G-1390 (66118)%OLT, MACHINE :.20014102 (66118)VASHER, LOCK:.20015102 (66118)SCREW, BUTT PLATE, SMALL: SLTDi146873 (19205)SWIVEL ASSEMBLY, SLING:i147721 (19205)STOCK, GUN, SHOULDER:120013102-D (66118)ZAP, MAGAZINE :120034102 (66118)BARREL AND BAYONET BAND ASSEMBLYSCREW, BAYONET BAND:5284554 (19205)BAND ASSEMBLY, BAYONET :11686389 (19205)SIGHT, FRONT :11686387 (19204)BARREL ASSEMBLY:120041028 (66118)PIN, TRIGGER GUARD:120066102 (66118)TRIGGER GUARD GROUPSCREW, RETAINING: SLIDE ARM BRIDGE12002514 (66118)FORE END GROUPCAP, SLFDE ARM EXTENSION:120054102 (66118)
4)ni t>fea s
-
EACA
5A5ASA1AEAEA
EAEAEAEAEA
EA
EA
I,J n i t-
121
1121111311111111
(6) (7)Di r ec t S u p p o r tSO-Day Maint .AllOW~~Ct?
Ger30-A)-20-
(A)l-20
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ii24
242424242424
24
B-2 1B-2 2B-2 3
B-2 . 4B-2 5B-2 6B-2 7B-2 8B-Z 9B-2 10B-2 11
24 B-2 1224 B-2 1324 B-T 1424 B-2 15__ B-i 1624 B-2 17
24B-: 18B-i 19
(9)
I l lustrat ion
(8)ig. no (b)tern No.
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t (1)source.Maint. andRecov. code
(4)Zdess
-11111111
111111
11
11
(2)
%FNo.1005-805-37091005-805-4257
1005-805-35371005-805-41951005-805-34091005-805-3939
5305-021-04111005-805-42591005-805-42841005-805-34251005-806-34401005-805-3475
1005-805-34881005-805-3489
1005-805-42181005-805-3744
(6) (7)SUDDOrtI Maint.wllnce
8%)SUDDOttBYMaint.ow*nce(8)1 Yr.Alw.er 10Cquip,:ntgqPlUI-nina
(9)Illustration(a)ig. nc:B-2B-2B-2B-2B-2B-2B-2B-2B-2
(b)em No.202122232426262728
(3)
Description
FORE END, GUN:120029102-AC (66118)
EXTENSION, SLIDE ARM :120055102-NS (66118)BREECH BOLT GROUPRECEIVER AND MAGAZINE GROUPEJECTOR, CARTRIDGE :120022102 (66118)PLUG, MAGAZINE TUBE :120044102 (66118)SPRING, HELICAL COMPRESSI ON : MAGAZINI120016212 (66118)FOLLOWER, MAGAZINE :120037102 (66118)RECEIVER AND MAGAZINE TUBE:
TRIGGER GUARD GROUPSCREW, TRIGGER STOP PIN:120062102 (66118)SUPPORT, LEFT HAND SLIDE ARM:120057102 (66118)SUPPORT, RIGHT HAND SLIDE ARM:120059102 (66118)CARRIER ASSEMBLY:120017102 (66118)PLUNGER, CARRIER PAWL:120018102 (66118)SPRING, HELICAL COMPRESSI ON : (CARRIE1
PLUNGER)120019102 (66118)DISCONNECTOR, ASSEMBLY:120020102 (66118)SPRING, H ELICAL TORSION : (DISCONNEC-
TOR)120021102 (66118)BRACKET -ItSSEMBLY, SEAR :120050102 (66118)PIN, HAMMER:120032102 (66118)
Dir;-(b)taint (A)l-20
2424__24242424
24 B-324 B-324 B-324 B-3
1 .234
24 B-3 524 B-3 6
24 B-3 724 B-3 8
2424
B-lB-Z
910
EAEA_.EAEAEAEA
EAEAEAEAEAEA
EAEA
EAEA
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% Pbt cl8 Pcs;
P
P
P
P
P
P -9
F
F
F
F
F
F
F
F
1006-806-4066
1006-806-3746
1006-806-3710
SUPP ORT, HAMMER SPRING:120041270 (66118)SPRING, HELICAL TORSION (HAMMER)120033102 (66118)HAMMER, FIR ING, SMALL ARMS:120030102 (66118)
1006-806-4201 SAFE TY, SMALL ARMS:120049102-NS (66118)
6316-17-8672 PIN, TRIGGER :120067102 (66118)
1006-806-4296 T R I G G E R :120061102 (66118)
1006-806-3711 HOUSING, HAMMER:120031102-NS (66118)
1006-806-4291 GUARD, TRIGGER:1%0063102-NS (66118)
I BREECH BOLT GROUP I1006-806-4244 BRIDGE, SLIDE ARM :
120063102 (66118)1005-805-3632 PIN, F IRING:
120026lO2 (66118)1006-806-3702 SPRING, HELICAL, COMP RESSION :
P I N )120028102 (66118)
1006-805-3382 PI N, CAM :120016102 (66118)
1006-806-3686 COLLAR, F IRING PIN :120027102 (66118)
1006-806-3602 SPRING, HELICAL, COMP RESSION :(EXTRACTOR)
120026102 (66118)1006-806-3666 EXTRACTOR, CARTRIDGE :
120024102 (66118)1006-806-4306 BOLT, BREECH :
.12008102 (66118)1006-806-3366 SLIDE, BREE CH BOLT :
1200121W-A (66118)
(FIRING
E A
E A
E A
E A
E A
E A
E A
E A
E A
E A
E A
E A
E A
E A
E A
E A
E A
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
16
16
18
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Sec tion VII. SPECIAL TOOLS, TEST AND SUPPORT EQUIPMENT LIST(1)
source,Maint. andRecov. codes2Ae%. BZL
P 0
P cP c
P cP c
(2) I (3)Fsz-%NO. Description1006-288-3566 SWAB, SMALL ARMS, CLEANI NG: COTTON ,
2% SQ (1000 IN PKG)5019316 19204)
1005-630-1446 OD, CLEANING: M96301446 (19204)
lQO&654-4068 SLIN G, SMALL ARMS: Ml, WEBBI NG6544058 (19204)
1006-913-2602 BAYONET : Ml91711686400 (19204)1095-726-5706 SCABBiRD, BAYONET: Ml917
7265706 (19205)
I(4)Unitb&3PG
EAEA
E AEA
(6) (1)Direct Support General support30-Day Maint. SO-Day M&kAllOW&lnCe Allowance
(A)l-20 JBio 5EJo-* * 2
* c 2* * 2
* * 241 8 2
A) (B)-20 2140* *
6 *
i
* 8
c d8 *
-(C)L-100-2
22
22
(8)1 Yr.Ah.er 101%qguip,htmPlan-
24
2424
2424
(9)Illustration
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s Pbg Pf
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
%
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F-
1006-805-4066
1006-805-3746
1006-806-3710
1005-805-4201
5316-17-8672
1005-805-4299
1005-805-3711
1005-805-4291
1005-805-4244
1005-805-3632
1005-805-3702
1006-806-3382
1005-805-3686
1005-805-3602
1005-805-3555
1005-805-4306
1005-805-3366
WPPORT, H AMMER SPRING:120041270 (66118)SPRING, HELICAL TORSI ON (HAMMER)120033102 (66118)HAMMER, FIRING, SMALL ARMS:120030102 (66118)SAFETY, SMALL ARMS:120049102-NS (66118)PIN, TRIGGER:120067102 (66118)TRIGGER:120061102 (66118)HOUSING, HAMMER:120031102-NS (66118)GUARD, TRIGGER:120063102-NS (66118)
BREECH BOLT GROUPBRIDGE, SLIDE ARM:120053102 (66118)PIN, F IRING :120026102 (66118)SPRING, H ELICAL, COMPRES SION : (FIRING
PIN)120028102 (66118)PIN, CAM:120016102 (66118)COLLAR, FIRING PIN:120027102 (66118)SPRING, HELICAL, COMPRE SSION :
(EXTRACTOR)120025102 (66118)EXTRACTOR, CARTRIDGE:120024102 (66118)BOLT, BREE CH :.12008102 (66118)SLIDE, BREECH BOLT:120012102-A (66118)
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
E A
E A
E A
E A
EA
EA-
1
1
1
1
1
1
1
1
1
1
1
1
1
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24
24
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24
24
24
24
24
24
24
24
24
24
24
24
24
24
B-3
B-3
B-3
B-3
B-3
B-3
B-3
B-3
B-4
B-4
B-4
B-4
B-4
B-4
BA
B-d
B-l-
11
12
13
14
16
16
17
18
1
2
3
4
5
6
7
8
9
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(1)source.Ms i n t . a ndR e c ov . c ode
Sec tion VII. SPECIAL TOOLS, TEST AND SUPPORT EQUIPMENT LIST(3) (6)
De s c r i p t i onD i r e c t S u p p o r t30-Da y Ma i n t .
AllOWlIIlCe
SWAB, SMALL ARMS, CLEANI NG: COTTON,2% SQ (1000 IN PKG)
5019316 (19204)ROD, CLEANING: M96301446 (19204)SLING, SMALL ARMS: Ml, WEBBING6544058 (19204)BAYONET : Ml91711686400 (19204)SCABBARD, BAYONET: Ml9177265706 (19205)
PG
EAEA
EAEA
EI&l&t
-_.
-
1006-288-3566
1005-630-1446lQO6-664-4068
1006-913-26021095-726-5706
(7)G e n e r a l S u p p o r t
s 0-D*y Ma i n t .llOW~llCe 1 :IA)-20-
*
(B)!l-so-*
(0l-100-2
(8)1 Yr.Ah .er lO(4u i pI:ntgcuP l a n -n i n g
24
(9)I l l us t r a t i on
z
24 B-l24 B-l
24 B-l24 B-l
fb )e m N o .
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Reprinted by special peamission of the copyright owner Olin MathiesonChemical Corp., Winchester - Western Division, New Haven, Corm.
l COMPONENT OF ITEM 22+* INDICATES ARMY CONTROLLED ITEM.
WE 60054
Figure B-g. Maior gmac% mxwmwnbliea and attaching part&.
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1
B Tr\-\7 L__----- 3__--
Rep rinted by specia l p ermission of the co pyrightowne r, Olin Mathiesan Che mic al Carp., Win-chester - Western Division, New Haven, Conn.
Figure B-9. Trigger guard group.
53
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54
Reprhd by special permioion of theChemical Corp . , Winchester - Western
Figure B-d. Breech bolt group,
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Sec tion VIII INDEX- FEDERAL STOCK NUMBER AND REFERENCE NUMBERCROSS-REFERENCE TO FIGURE AND ITEM NUMBER
Stoel i Number FigureNo.B-2B-2B-lB-lB-2B-4B-2B-4B-2B-3B-3B-3B-3B-3B-2B-4B-4B-4B-4B-4B-2B-3B-3B-3B-3B-2B-2B-2B-3B-2B-3B-3B-4B-2B-2B-3B-3B-3B-3B-4B-2B-lB-2B-lB-2B-2B-3B-2B-2B-2B-3B-2
ItemNo.67141398426466782476253201317101292714112514911921231618833122172111451515
Referenceo.8812-G-13906146873614772162845546301446654405872657061168638711686389116864001200251412OQ810212009112120014102120015102120016102120016212120017102120018102120019102120020102120021102120022102120024102120025102120026102120027102120028102120030102120032102120033102120034102120037102120041028120041270120044102120050102120053102120054102120057102120059102120061102120062102120066102120067102120012102-A120029102-AC120013102-D120031102-NS120049102-NS120055102-NS120063102-NS
Mfo Code66118192051920519205192041920419205192041920519204661186611866118661186611866118661186611866118661186611866118661186611866118661186611866118661186611866118661186611866118661186611866118661186611866118661186611866118661186611866118661186611866118661186611866118
Pig.No.B-2B-2B-2B-2B-lB-lB-lB-2B-2B-lB-2B-4B-2B-2B-2B-4B-2B-3B-3B-3B-3B-3B-2B-4B-4B-4B-4B-4B-3B-3B-3B-2B-2B-2B-3B-2B-3B-4B-2B-3B-3B-3B-3B-2B-3B-4B-2B-2B-3B-3B-2B-3
Item o.36711142131231782454264567824762531310129271411259119231611515920817142118
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APPENDIX CMAINTENANCE ALLOCATION CHART
Sect ion I. INTRODUCTIONC-l. GeneralThe maintenance allocation chart indicatesspecific maintenance operations performed atthe proper maintenance levels. Deviation frommaintenance operations allocated in the chartis authorized only upon approval of the com-manding officer.C-2. Maint enance Funct i onsThis maintenance allocation chart designatesoverall responsibility for the maintenancefunction of an end item or assembly. Mainte-nance functions will be limited to and definedas follows :INSPECT
TEST
SERVICE
ADJUSTALIGN
CALIBRATE
INSTALL
To det erm ine ser viceability of an itemby compa ring its physical and mech-an ical, and electr ical char acter isticswith established standards.To verify serviceability an d to det ectelectrical or mecha nical failure by us eof test equipment.To clean, pres erve, to charge, an d toadd fuel, lubricant , cooling a gent s andair.To rectify to th e extent necessary tobring into proper opera ting ra nge.To adjus t s pecified var iable elem ent sof an item to bring to optimum per-formance.To determ ine th e corrections to bemade in the reading of instrumentsor test equipment used in precise mea -sur ement . Consists of th e compa risonof two inst ru men ts, one of which isa certified sta nda rd of known a ccur -acy, to detect an d adjust any discre-pan cy in the accuracy of th e instru -ment being compared with thecertified standard.To set up for use in an operationalenvironment such as an emplacement,site, or vehicle.
REPLACE
REPAIR
OVERHAUL
REBUILD
To replace un serviceable items withserviceable assemblies, subassemblies,or parts.To restore an item to serviceable con-dition. This includes but is not limitedto inspection, cleaning, presecving,adjusting, replacing, welding, rivet-ing, and strengthening.To r estore an -item to a completelyserviceable condit ion, a s pres cribed bymaintenance serviceability standards,using the Inspect and Repair Only asNecessa ry (IROAN) Technique.To restore an item to a standar d asnea rly a s possible to origina l or newcondition in appea ran ce, performa ncean d life expe ctan cy. This is accom-plished through complete disassemblyof th e item , inspection of all par ts orcomponent s, repair or replacement ofworn or unserviceable elements(items) using origina l ma nufacturingtolerances and specifications ; and sub-sequent reassembly of th e item.
C-3. Explanat ion of FormatPurpose and use of the format are as follows:
a. Column a, Group N um ber. Lists groupnumbers, to identify components and assemb-lies.
b. Column b, Component Assembly Nom encla-twe. Lists the noun names of groups andassemblies on which maintenance is authorized.
c. Column c, Maint enance Functions. Liststhe various categories of maintenance to beperformed on the weapon.
d. Use o f Codes. Explanationcodes in maintenance function,as follows :
of the use ofcolumn c, is
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C0FHD
ErjJaccatiwOperator/CrewOrganizational MaintenanceDirect Support MaintenanceGeneral Support MaintenanceDepot Maintenance
column will be used to specify those tools andtest equipment required to perform the des-ignated function.
f. Column e, Remarks. Self-explanatory.Note. Columns not utilized are considered not ap-
e. Column d, Tools and Equipment. This plicable.Section II. MAINTENANCE ASSIGNMENT
Component assemblynomenclature
I,
122a2b3456
GUN SHOULDER STOCK GROUP_BARREL AND BAYONE T BANDASSEMBLY
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8/14/2019 Tm_9-1005 Shotgun Winchester
60/60
By Order of the Secretary of the Army :
Official :KENNETH G. WICKHAM,Major General, United States Army,The Adju tant General.
WILLIAM C. WESTMORELAND,General, United States Army,Chief of Stag.
Distribution :To be distributed in accordance with DA Form 12-40 requirements (qty rqr Block #147) for October and
Crew, Shotgun, 12-guage, Winchester, Model 1200, riot type, 20-inch barrel.
* U.S. GOMRFMENT PRINTING OFFICE: 1965-461-421/21336