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ORDNANCE FIELD SERVICE
BASE SHOP DATA
Rifle, Auto., Cal. .30, Browning M1918A2
PREPARED UNDER TtiE DIRECTION OF THE CHIEF OF ORDNANCE
ROCK ISLAND ARSENAL.· FEB .. 1943
B.S.D.-AR.-1
16 October 1943*
Ordnance Field Service Base Shop Data
Rifle, Auto., Cal. .30, Browning M1918A2
LIST OF CONTENTS
List or References General Information
ConTersion List Of Tool Drawings
Assembly - - - - - - - - - - - - - - - - 2
Dismantling - - - - - - - - - - - - - - 1
Tool Drawinp - - - - - - - - - - - - - .3
* Replaces List of Contents, Issue of February 1943
Ordnance Field Ser'!ice Ba.se Shop Data
Rifle, Auto., Cal. .30, Browning M1918A2
LIST OF REFERENCES
STANDARD NOMENCLATURE LISTS List of Drawings Major Items of Group A RifJ.e, Automatic, Cal. .Jo, Browning, Ml918,
Ml918Al, and Ml918A2. Tools, Maintenance, for repair of Automatic guns,
automatic gun Antie.ircraft materiel, Autanatic and Semiautomatic cannon, and Mortars - individual items and parts
Small arms, automatic gun, trench Mortar and field artillery·sighting equipment and fire control ir.struments, Major Items
Sights, Bore (Small Arms & Field Artillery-Parts) Targets, testing (Small Arms & Field Artillery} Glass, field, Type EE, 6 power parte & equip. Firing tables and trajectory charts Trucks , Small Arms, repair, Ml.. Cleaning, preserving and lubricating Materials 1
special o~ls, and similar items of issue Soldering, brazing and welding material, gases and
related items Targets and target equipment, small arms Measuring, impression, testing and reconditioning
outfits Ammunition, rifle and automatic gun Miscellaneous service compOnents of Small Arms
ammunition and instruction material for Field Service Account
Index to Current SNL
FIELD MANUALS
51-90 SNL A-1
SNL A-4
SNL A-35
SNL F-1 SNL F-10 SNL F-12 SNL F-34 SNL F~9 SNL G-72
SNL K-1
SNL K-2 SNL L-1
SNL N-9 SNL T-1
SNL T-4 OPSI
Ordnance Field Manual FM 9-5 Ordnance Field Maintenance FM 9-10 List of Publications fer Training FM 21-6 Defense Against Chemical Attack FM 21-40 Browning Automa.tic Rifle, Cal •• Jo, M19l8A2 with Bipod FM 23-15 Browning Automatic Rif'le, Cal •• JO, M19l8A2 without Bipod Jo"M 23-20
TECHNICAL MANUALS Cleaning, Preserving, Lu'bt-icating & Welding Materials
and Similar Items (Now published as TRl395-A) Browning Automatic Rif'le, Cal •• JO, All types Field Glass, Type EE
ORDNANCE FIELD SERVICE BULLETINS Maintenance of' materiel in banda of' troops Electric & Oxyacetylene Welding
'I'M 9~50 TM 9-1211 TM 9-1611
OPSB 4-1 OFSB 5-2
28 October 1943
Ordnance Field Service Base Shop Data
Rifle, Auto., Cal. .30, Browning M1918A2
CONVERSION LIST OF TOOL DRAWINGS
B.S.D. NO. 0.0. NO. NOMENCLATURE
908977 908979 908981 909006 909179 909180
A2401
B316001 B316002 B316003 B316004 B316005 B316006 A77201 A77204 Bl47001 C7719 C64145 07106205
Alignment Tool, Buffer Tube Bl47493 Fixture, Rear Sight Base Fixture, Holding, Leaf, Rear Sight Test Tool, Length of Bolt Assem. Bl9695 Wrench - To Remove & Replace Barrel Block, Vise, Barrel Holding Gage, Ring Gage, Plug Reflector, Barrel Gage, Headspace, Cal.30 Tool, Combination Fixture, Grinding, Bolt Block Assem.
ORDNANCE FIELD SERVICE
BASE SHOP DATA
Rifle, Auto., Cal. .30, Browning Ml918A2
PREPARED UNDER THE DIRECTION OF THE CHIEF OF ORDNANCE
ROCK ISLAND ARSENAL,· FEB.. 1943
B.S.D.-AR.-1
B.S.D. No.
Dismantling . .. . . . . . 1
B ASE SHOP D4 TA -Issue Or af~/1J if' SHEET SUALL ARMS
~IFLE, AUTO DISMANTLING I CAL .30 BROWNING Mt911J A.2
REMOV4L OF STOCK REST AND MAGAZINE
(!)PuLL THE SrocK REsT @ FROM THE BUSHING IN .STOCK (/J)J AG. /. PRESS MAGAZINE RELEASE © AND REMOVE MAGAZINE (/))
®SLIDE OuT 811SE ([), KEEPIN6 THUMB OVER BoTTOM OF MAGAZINE @ TO,PREVENT SPRING ([) FROM FLYING OUT, AG. 2. 'REMOVE SPRING ([)AND fOLLOWER@.
or 13
D
!BAR-3a.M1918A2-f1:M:f(J3 ~
i!WLL ARMS IFLE . AUTO
CAL . 30 BROWNING M/918 A2
BAS£ SHOP DATA-IssuE OF s/v/tJ ~ SH£CT
DISMANTLING 2
DISMANTLING OF STOCK REST
@LoosEN LoCK <Al AND UNsCREW
LEG @. SCREW LOCK @ OFF
LEG (/}). DRIVE OuT P1 N © ANo
REMOVE STEM @.
OF13
IBAR-30-M19/8A2-DISM-2V~
~t ~RMS JF. E, AUTQ CAL.JO BROWN fiG M1918A
BASt J'fKJP DATA- ISSUe OF-'/~~_,,-SHC[T
DISMANTLING 3
REMOVAL OF 8/POD
@UNSCREW fLASH HIDER @. AG.f. REMOVE THE BIPOD ® fROM THE FLA5H HIDER @AND THE FRICTION WASHER © FROM 8ARREL@.
DISMANTLING OF BIPOD <.
®ReMoVE ScREw([). SuoE OUT LEG ® AND REMOVE KEY ®. fiG. 2. REMCN£ 3CREW @ AND PULL TUBE(/) fROM BODY@.
OF13
!BAR-30-M/918A2-DI::M-3V 3~
8A5E 5HOP DATA-/:;suc OF 3/-i/·U r .5MAlL AQMS SHEET QffL[, A7JTO DISMANTLING 4 C4L . JO BPOWN!NG Ml91fJ A2 oriJ
(j)Df21V[ OuT PIN@ f/G 2. QfMOVE KN08 ([) UNSCQtW W!NDAG[ .5cOtW ([) i:2tMOVf 51GHT
L£.4f ©. PuLL .5PQIAG AND PLUNGfQ@ f!XJM /ffoKJ[j (f).
Q
~ t~
s [i'® I j_
rtG3
®fxmAcr Two SCI.)[WS Q) AND (.}[Me)([ fi1NDAGf ScALf® PULL OUT JpQfNG ({)
®TAP OuT PIN @ f /G. j (.}[MOVE [LtVAT/1/G JcQIW (fjJ /JIJ!Vf OUT PIN @AND /JtMOit KNOB @. IJtMOV[ mNG
ANDPLUNGtQ@. LIFT Ju[)[ ~To ToPOr SIGHT Lt.Ar AND QoAOv£.
BASE SHOP DATA-Issur Or J/4/4e f'
~M~U. AR~S SHCLT ifL[, A Ta DISMANTLING 5 CAL .:30
~1f/'fJ~NG Ot/.3
REMOVAL OF CYLINDER TUBE AND FOREA!{M
rill\ COCK THE GUN BY-RETRACTING OPERATING HANDLE @ AND RETURNING To \!:!_)FORWARD POSITION. TURN GAS CYLINDER. TUBE ~fTAINING PIN SPRING @ /80° IN CLOCKWJ.SE DIRECTION. PULL OUT RETAINING PtN SPRING @ SLIDE
CYLINDER TUBE AND FOREARM ©FORWARD AND LIFT UP.
~f C>
'trrt(l(/(1
I
ctr/ 0 . 0
FIG. 2
G
DIJMANTL/NG OF CYLINDER TUBE AND FO!)EARM
® REMOVE JCREW@ AND SCREW({). LIFT fOREARM({) fROM GAJ CYLINDER TUBE@. REMOVE SCREW@ AND SUNG SWIVEL Q). PRY OPEN BRACKET@
AND {)fUOV£ (ROM TUBE. DRIVE OUT GAS CYLINDER LOCK ([). UNSCREW GAJ' CYLINDER@.
!BAR-JO-Mf9N3A2-D15M-5P~
SM_-4il_ A~MS R(FL~ UTO CAL.~ O BROWNING Mf9_18 Ad
DIS MAN TL lNG
/ (/MOVAL OF TPIGGt P G'OARD G~OUP,_[<ECOIL GUIDE AND Sfl!HN G
FIG. I
(/)\, PuLL THE TRIGGER, liOLDING 7HE fJIJ, ON
v::_j ROD @!(I PREVENT PISTON (/J) fROM
STRIKING" BRACKET©. TURN TI?IGGER
GuA~D H[TAINING PIN SPRING' ({)) 90 ° · IN A Cl.oc K wn 'E DIRECTION ,-1ND Pt{L L Our.
L!Fr OuT TRtG Gt R GuARD DJ,louP ([). TURN REC(I IL f'fJf)!N G GuiDE ([) 90D l o
PtGfi T On LEFT AND PEMOVL Gu1LJC CfJ AND SPJ)ING Cf) .
BASE SHOP DATA-18.SIJE OF ~141/(JP. Jr...IALL AIJM5 SHEET PlfLYcfUTO DISMANTLING 7 C4L . t;f,?,[NING
~ A.2 QF/3
® DISMANTLING OF TRIGGER GUARD GROUP
REMOIE Two 5cREws@AND ~ = ~::/s~i~~ A~~M~~~T d -~=---~ PLATE@. «®f - o :..:::;--
® DEPRD5 EJ::~·~~ ~- H HOLD THUMB IN FRONT OF MAGAZINE CATCH .SPRING([) AND SLIDE EJECTOR (g) U!WARD AND OUT. REMOVE MAGAZINE CATCH SPRING (/).PUNCH OuT MAGAZINE CATCH PIN (fJ). LIFT OUT MAGAZINE CATCH (})AND MAGAZINE RELEA5E (/f). PuLL OUT EJECTOR LocK(() AND .SPRING([). .
r12\ . \!.:!_)PLACE ScREWDRIVER UNDER SEAR SPRING ®AND Puu UPwARD AND To TttE REAR OF
TRIGGER GUARD. fu:sH OUT TRIGGER fiN(/[). REMOVE TRIGGER ®AND CONNEC TOR@liiROtKJH loPOF7RK£,ERGUARD. PU5tt Our 5EARPIN(/J). LIFT Our SEAR@ANDSEAR LEVER([). PRY UPON SEAR CARRitR@AND LtFT Our. REMOVE CREcotL 5PRtNG@ fRY CHANGE LEVER 5PRING @)Our OF SEAT AND REMOVE fROM REAR OF GuARD. PULL Our CHANGE
LEVER®.
B ASC s. HOP D ~TA-Issut: Or ~/4J9 ~ r 5Md t.L ARMS. S t1U:T
RIFL5 AUTO 8 CAL . 0 DISMANTLING BR~t~ING OFI3 M/91 2
f<[MOVAL Or HAMMfR, OPfRATINC IIANDL[ AND SLID[
(i2\ALICN f./;JMM[R PIN@ WITH 1-/0L£@/N 0P£RAT/NC HANDL[
\!::J AND HOL£ IN OPPOSIT£ SID£ OF R£CfiV£R. PUSH Our N1MM£R PIN @. SLit;;£ 0PERI1 TING H!1NDLE © To R£AR AND Our.
~ @Suo£ H11MM£R © foRwi1RD liND LiFT OuT Or ' RECEIVER..
(]) E B C FIG./
®PRESS DoWN ON BoLT LINK if) ALLOWING SLIDE([) To BE PULLED fORWARD AND Our. ®--f DISMANTLING Of OPERII TING lii\NDLE
®--/ AND SLIDE
C~====~~==::==::=:=:::,gs:=)V))~n~ ®PRESS 0PERATING!£1NDLE PLUNGER@ J w- INTO OPERATING HI1NDL£@ 115 fi1R As ctJ) C0--fl PosstBL£. PusH Our OPERIITING H!INDLf
PLUNGER PIN Q). RfMOV£' PLUNGER@AND SPRING@.
F/6. 2
@PUNCH OUT PIN([). UNSCREW GAS PISTON @(ROM SLIDE@.
~AR-JJ-MB/842 -DISM-&'t3J)
~Lt.A~s 7tLt.0JJro CAL.J 8/?0WNING M1918 A2 ·
BASE SHOP DATA-Issue Or J/41·17 r
A
SHeET
DISMANTLING
REMOVAL OF BOLT GROUP, 80LT GUIDE AND CHANGE LEVER STOP
9 OF 1.3
r51\ 5UD£ f30LT GROUP @ To REAP AND LIFT \f::.!_) OUT. WITH A SCREWDRIVER REMOVE SPRING @ fROM StAT IN BOLT GUIDE ©. LIFT SPRING
@ fROM RECEIVER. BOLl GuiDE @ CAN BE PULLED flfC1..1 OUTSIDE if RECtiVER.
f57\ PRY Our CHANGE LEVER STOP 5PP.ING RE\.f::!::) TAtNING PIN @ AND REMOVE CHANGE LEVER STOP AND SPRING (]).
DISMANTLING Of BOLT GROUP F1G.2
6J\ To DISMANTLE BoLT /JND BOLT LOCK GROUP ®, FIRST PEMOV£ ARING PIN @. ~ PuNCH OUT PIN @ lvvD REMOVE fJoLT LINK Q). PLACE A SCREWDRIVER UNDER LIP OF EXTRACTOR @ AND PRY 0.17WARD AND 70 lHE REAR. REMOVE ['XTRACTOR SPRING (D.
/B4R-JO-M8!842- DISM-.9(13~
SMALL AR.!:&. RIFLt, AUTO CAL..:JO BROWNING M/918 A2
BAS£ SHOP DAJA IssuE OF JH/4J r
DISMANTLING SHEET
10 OF tJ
REMOVAL OF BUTT PLATE
();f\ \!:::J[XTRACT SCREWS@ AND@, fiG./,
AND REMOVE Burr PLATE © fROM STOCK@.
' F!c.l
DISMANTLING OF BUTT PLATE
@REMOVE SCREW(/), Ftc. 2, THROIJCH Han (/) TURN 0V£R 80D'r' (C) AND ALL OW SPRING@ AND BALL Q) TO FALL /,vro TH£ HAND.
@Drill£ Our PiN Qfl.ANo SEPARATE Boov© AND PLAT£([). REMOVE SCREW@ AND SPRING @. DRIVE OUT PIN (/})AND REMOVE TRAP @.
I BAR 30-M/918A2liSM- 1()/3 Jl
~LL AI:JMS lrL~ AV7a DISMANTLING C4L . V
'tfflit.N!NO IS8AZ
DISMANTLING OF BUff[Q ASxM8LV
@UAOG.QfW 12ETAINING SLEEVE@ f G I {)[MOl[ WA:YIEQ@ AND DIJAw OuT OWING CQ. OuLL Orr 5TOCK. @.
@) UN5CQLW ACTU4Ta> TUBt (f) WITt! TOOL Q:l fiG. 2 SLIOC ACTUATOQ © OurOt TuBf ([) [XTrJAcr .5/JQING ®.· foua CONES (J) AND fOUO [Uf)5 ®AND HfAD A:S5fMf3L Y (f).
00 ~lr IT Is NECESSAQY Toi)[MOvt But=rEa Tuat@UNSCQcwlr
W/Ttt A W!JfNOt (/f).
SHctT
II 0{"!3
S.MALL ARMS.. !?IFL£. AUTO CAL . ..fO BROWNING Mf!J/8 A 2
rim
BAS£ SHOP DATA-ISSUE OF 3/-1/11f
DISMANTLING
DISMANTLING OF SWIVEL
I I I
':::::)
~EXTRACT ScREW@ AND R£Mov£ TH£ SuNc SWIVEL ®. TAKE Our TH£ Two ScREWS © . LIFT TH£ BusHINC (JJ). Our OF TH£ STOCK (().
SHEET
12 OF!3
I BAR.-30-MI318A2-0ISM/2(!3~
BASE SliOP DATA -lssur Or J/-4/-1-7 r 13'.41ALL A~MS SHfTT RlfLL,Uia DISMANTL 1/VC 13 CAL.30 BROWNING M1918 A2 OF 13
DISMANTLING OF B4RREL
c
fiG./
(JI\ DRIVE OUT PIN @. USING PIN PUNCH. lAP !FONT SIGHT f3RACK£T @ fFiOM ~ 8ARREL ©. lAP SIGHT @ OuT Or f3RACKET @ R£ttov£ Kcr 0 fRott8ARRfL . DRIVE OUT PIN 0. USING A PIN PUNCH. TAP 8RACKfT © fR0/1 DARR[L .
FIG.2
c
; ,...... - - - -- -,., - ---'---+----1 1' I I I
/ \ I
--+--.......1 "I '>J / / I t"
TooLDwGNo. 909160
I '
I
TOOLS IIEOU/f)ED TOOLDWG.NO SHEET OPEQ. DfT
C64145 II 28 f 814700/ /3 32 H 909179 13 32 L 909180 /3 32 J
REMOVAL Of RECEIVER ff?OM BARREL
riJ\ INSERT TooL @ INTO 8ARREL fROM RECEIV£P [ND AND INSPECT BARREL © 'e foR STRAIGHTNESS. CHECK fJ4RR£L foR RUST, PtTS lvvD !3uRRS. IF IT IS NECESSARY 70 REPLACE THE !JARREL,,FtACE 84RREL © IN fiXTURE Q). [LAMP fiXTURE Q) IN A VISE SHOWN BY DoTTED LINES. UNSCREW RECEIVER @ froM BARREL UstNG
WRENCH (f). @A.R-JO-M/J/8AZ-CI5Mf3 U]
ORDNANCE FIELD SERVICE
BASE SHOP DATA
Rifle, Auto., Cal. .30, Browning M1918A2
PREPARED UNDER 'fHE DIRECTION OF THE CHIEF 0, ORDNANCE
ROCK ISLAND ARSENAL-: FEB .. 1943
B.S.D.-AR.-1
B.S.D. No.
Assembly ..... ............... ... 2
8ASE SHOP DATA-ISSUf OF .J-5"'-4.j.-;
SMALL ARM,2 SHL t:T RIFLE, AUTO. CAL. J0 AS5EMfJLING BROWNING Ml(;}ttJA2
I I
I
I I
NOTE: CLEAN ALL PARTS IN SOLVENT 5aUTION AND Dk'( [{AMINE E· ~ .H fJJ.RT THOROUGHLY. REH..ACE ,LJ.NY PART EXCESSIVELY vtbHN OR f3ROKFN.
BLACK- PENETRATE Au ME!).L PART5 [JCEPT THE BOLT AND BoL r LINK,
THE 5uDE AND AsTON l?oo Aw AN. THE CoNt·ECTOR 5JGHT LEAF.
/
I I
'
I I
I /
Tom D~t--GNo. HAMMER AND AN. 5PRI/\G AND GUIDE, 909179
SEAR AN AND CARRIER. AND BurrER AssEMBLY. LOBRICA TE THOROUGftLY
DURif\KJ ASSEMBLY.
B TOOL DwG.No. 309180
I
A:i.5EMBLY Of RECEIVER TO t-JARRFL (/\PLACE B4RREL (4) IN fiXTURE®. CLAMP fiXTURE \8) /N A V'lS£. 5CREW \ j_) RECfiVER (( ) UN 8AHRfl (AJ Vi1TH WRENCH (/)). ALICN LOCATION I.!Nf5 111\[.
S2_<1-}~r . -- ~~ )
~ __ T]))) QJ ttl1 (!_0 @ F!G.2 (h ~!) Qv_j
AS 3£MBI. Y OF BARREL m 5uC£ !3RACKET (f) ( )N BARREL © uNTIL GAS HOL[ \H'. Is Aur;N[U
\,0 VWTH GAS HOLE IN fuTTOM OF !!PACKET® TAP IN PIN (/).
( ] .'\INSERT KEY (/{) IN 8AHREL ({;). 7AP __ 51GHT ([) IN :)iGHT BASE .fJ. :::!_) lAP SIGHT BASE @ ON BARREL (§) UNTIL AN W) CAN BE
DRIVEN THROUGH BRACKET (jJ} AND KEY (/9.
(jf 20
L BAR-J(] -Mi!ii5A2-A55f:M -/(20)1
*'ALL At!M~ FLE, A UTO
CAL . 30 BR~'(f/!~NG M11A
BASE c.S'HOP DATA-IssuE OF r MAR -'f4 a~ SI-IE E. T
AjJ[M !3LI NG ~ (\~-<.0
41- C-254 -295
~~~~======~~
D F BOLT ASSEMBLY
@ fu T @ IJ' UNUERVIC£ABL£ IF fAC£ AT({) IU J'u BACK , THAT /u , ci HOW<5
RECESSIVE WEAR. OR IF GAG£ 41-G-254-295 [NTERS FIRING PIN HOLE (fj . CHECK 80LT FOR EXCESSIVE J 1DE PL AY A ND LDOcSENCc.JS 111/ITH BOLT LOCK .
CHECK !H£ BOLT LOCK tU FoR £XCD5SIVE LOOSENESS ON PIN @ OR RECtuSIVE WEAR AT @ .
@CHECK THE BOLT A 5SEMBLV (JJOLT AND BOLT LOU<) INJ!DE li-IE TOOL
41-T-3369-4 0. HOLD !30L7 ASSEMBL V FOI<WARD A ;AINS T fAU ~). SPACE AT Q) cSHOUL D B E !!£TWEEN .010 ''AND . 012. ~1 (JPACE r4.T ([l)cJH(1f1LD Be BETWEEN .0/0 "AND .0/4) NEW0R0ERVICtA8LE BOLT @ MAv OF T£N he AT TED 70 OLD BoLT LocK © , OR /licE VERSA, 70 FoRM A SFINICE ABLE BoL T ASS£MBLV . BOLT ASSEMBLY Is HELD TOGETHER f3y PIN @ WHICH IS SLIGHTLY
PEENED AT BoTH [ NDS. AsJt:Mf3LE THE BoLT AND 8oLT L :JCK J'n r c 7WELV
UNTIL SERVICEABLE COMBINATION U 0BTAINfD .
NOT£:· IF Ti-t£ BOLT AND B OL T LOCK CoMBINATION J..s !(lo LoNCJ ,GRIND !i-1£
OvER-ALL LENGTH A s INSTRUCTED ON N£x T0H££T, lr THE Eou'PMEN T Is AVAILAL3L£.
G C!)
lOCL 41-T-JJ69-40
IBAP 30 i./8 !8A.' ASS£M-.2(*1j
~ Rt:PLAC£S Jf-I££T 2 , fj 3.0 UN! r No 2, IS SUE_ OF 3 -5 - ,13
~MAl./.. AOMS 1fLE,.AUTO.
CAL . JO f3ROWNING M1918A 2.
BASE SHOP DA7A -!.ssut Or 3-s-~4J-5
f1G. I
SttffT
AS5[Mf3LING 3 Of2rJ
-~w ~ A ®PLACE PIN @IN THE 80L T AND
w •/30L T LXK ASSfMBL V@ A 5
C TOOL DW6 No. A240f
(5{:RtNGflfLD ARJ.KJRr)
INDICATED. IN5fQT THE ASSEMBLY (f) IN fU TUPf ©.
(J)IT /J IMPOPTANT To 5[CUI£ Ttl[ 4s5fMBLV@] (16 < WITH Tttf jCQtW@ {/QST TtttN PLAct
PLATE ({)ON PIN @As SIIOWN AND OECUQ[ W!Ttt TttUMB Sc.QtW ({). G.QtND Orr ONLY
[NOUGtt fOR 8oL T A5 SEMf3L v @ To BE Comer; ACCOQDING TO OPERATION 5
l BA.R-JO-MIJI8Ac A ssE M.-3{2o) I
8ASE SHOP D4TA-15SUE OF 3-S~43 --~ SMA/ L. AQMS SHEET Q/FLE, 4UTO ASSEM/3LING 4 CAL . 30 BOOWN!NG Mlq18A2 OF 20
Ao5EMBLV fOf) /NofJECTION
\ c
~~1.. ..--1YE ~~~o)i==.==::Sp- ~
®A-ACE BOL T LiNK@ ON f30L T LOGi1 (fj) AND INSEQT
PiN©
0
DG. J
~ 66.2. \
@ OoEss DowN BoLT LiNK ®.FrG2. AND !NSEOT OPWATING Suo£(!J) SLIDE HAMMEQ@ INTO UNDEQ 5/DE 0F 0PEQATING 5uDE @) PuLL 5UD£@FOQWAQDAND LIFT UP L/NK® UNTIL PIN(}) CAN BE INSEQTED THQOUGH SLIDE@), HAMMEQ ([])AND LINK@
I BAIJ-30 -M/9 18A2-A55EM.-4(ZO)j
BASE ..SHOP DATA-ISSUE Ot= 3-IS43f ·-- ·-·------··---·----·-- -~~-;:;S-:--:cH~;:-;:£:-=T-
ASSEMfJLING 5 I tY20
(i3\ C F fiG.2..
\.!!:}fNS£RT A 19~6'GAG£@AND PULL SUD£ fORWARD. BOLT LOCK (Q) SHOULD Nor DROP IN R£C£SS Or R£C£1V£R ®fiG 3. HAMMER PIN({!) 5HOULD Now 5rAND A DI5TANctY
(APPROX. ~INCH) REARWARD Or IT5 LOCI<fD !1:J5!TION X,t=iol. AIHtN THE l!tAD5PKt /:J trtt"551Vt" Out To MJR# OoLr, ~OLT LrxK. OR)r'ORN Rtct55 IN Rtct/VlR, JELECTI/It flt5 (Jp ANY Or TiltJt PART5 MAY Ot TR;to IN AN fffORT 7iJ CovmNt A IJNIT !fAVINO
5ATI5fACTORY 11tAO 5PACL MODIFIED !30LT LctK5 J.v'#ICH JA!(t AN ADJU5TIN6 PLATt
MAY 8E U5lf)-5Et. fiG. 4 . THt.Y ARt 6f(OIJNO 70 Ju;~ IN )IG([),5HtlT 3.
~~======f:===~Q Jg=:j:jL;-JIJ
Fio. 4
I J \ ·:_/
BAS£ SHOP DATA-Issu£ OF 3-s-~u -J S.MALL ARMS
ASSEMBLING SHEET
RIFL£, AUTO. 6 CAL. 30 BROWNING MTS18A2 OF 20
A SS£MBL Y OF SWIVEL
8
I
::::_-_-:.!
®INSERT BUSHING @ INTO POCKfT IN STOCK@
As INDICATED INSTALL SCREWS©, ATTACH
SWIVEL (/J) 8 £ TW£EN LUGS 'vltTfl SCREW ([)
BASt SHOP DATA-IssuE Or 3-S-43 -5 S.MALL ARM~ SHEET RIFLE, AUTO. ASSEMBLING 7 CAL . 30 BROWNING M1918A 2.
D TooL Dv.~&.No . 8 908377
ASSEMBLY OF BUFFER TUB£ TO RECEIVER
.//~· Too•Dwo.No. \. ~ . ,-@ 9089 7T ~ 'II// :
~ · ... _ ./ £ I I ' t
: I '. J.-1 ===o"f"--. I I tt-
l :
TooL DwG.No. 908917
F
@PLACE SAFETY FtXTUR£@ IN PosmoN IN RrcnvrR ® As INOtCAT£0 THIS. VIILL PR£V£NT SQUEEZING REC£/VCR ®WHEN CLA!1P£D IN VIS£©.
@ CLAf'IP REWVE:R IN VtSE As ILWSTRArfD, ANo PLACE GAG£® IN RECOVER($)
@START 8UFF£R TUB£([) INTO RCCCIV[R@ INSERT GAG£({) INTO BUFFER TUB£([) TIGHTEN 8UFF£R TUB£ WITH WRENCH@ UNTIL GAG£ (/); [NGAGES INTO GAGE({) As ILLUSTRATED IN INSET @ TIGHTEN BuFFER TUB£ To THE TIGHTEST POSSIBLE POSITION AT WHICH THESE GAGES WILL ALIGN.
orzo
IBA.R-30-M/918 A2-ASS£M-7 ~oj
f3ASE SHOP DATA-ISSUE OF 3 -s-- 41 -5
FtG/
(jJj PLACE HEAD ASSEMBLV @ IN POSITION So /}£LEASE: @ IS IN A VamcAL POSITION.
® INSH!T Fou/2 CuPS QfaJI? CoNES({)) INTO BUFFEfJ TUBE {[) As ILLUSTI2ATED IN fiG/. PLACE SP!21NG (()INTO 8UF FE{) TuB£ ((._).
~
___:::_ ;/ Fl G. 2
' ·----,, ··.
@ .5coEw Ac TUA T0/2 TuBE© IN ro Bur FEO TuBE (/J W1 TH IOoL ®. DtP ACTUAT0/2 (J) INTO LIGHT MACHINE OIL A ND IN.5Ef2T IT INTO ACTUA T0/2
TUBE (Q FLAT END Fif2S T.
@ PLACE STOCK@ IN POSITION. INSE/2T Ac TUA TOfl5PM..G IJ) INTO ACTUA T0/2 TUB£(;). PLACE LOCK WASHEO@ IN oTOCK @ AND SECUI!f 5 TOCK (j?) IN /)OSITION WITH /2£TAINING SLEEVE(/}).
-- --- - --- --1 I BAR:· JO /v!I_S'/:jll ~ A \ l A! /f(~~)
BASE SHOP DATA-Issue OF J-.6-- 4J . r;
1$:'1~L A~MS .SHt E T
~! L~;uTa ~bWNING 19/tJA2
ASS£~1/DL/NG
F ASSEMBLY OF BUTT PLATE
® INSTALL TQAP @ IN PLAT£" @
\ 0- ~C(@ WITt/ PIN ©. SETUP£ TQIIP S/JQING (/)) IN PoSITION WITH ~Q£W ([)
ri7\ ~ flAC£ BoDV ® ON PLAT£ @ liND fliNG£
WITH PIN® INSEQT BALL ® AND SPQING (/). INSTALL &'QEW @ .SCQ£WI!vG IT !JJWN UNTIL 81JDV ([) PASSES Ovm IT (Q£FLV.
@ ATTACft AsSEMBLED PLAT£" @ TO BuTT SrrxK ([) W1 rH Two SCQ£WS @ AND @
9 , 1F ..:L
FIG 2
\
~---(0 ---·-~AQ -JO -Mim8A2-A .. ~[M-.9g()j]
BASE SHOP DATA -Issue OF 3-S-4.5.-5'
Jo/lu ~&M~ SHEET RlL f, AUTO. ASS£M8L!NG /0 CAL 30 BROWNING AA 1918 A~ OF 20
rn AS 5£M BL V Of BOL T GROUP !IJO::;;::;::=y_=====::::=::==-
U7
@PiACCSPRING@INITSSfATIN @~~ [X TRACToR® As SHOWN. INSfRT F ~-<Y [XTRAcroR INTO BoLT©. L1rT Our ~ 0
So LUG ON EXTRACTOR CAN SEAT IN BOLT. PLACE LIN;<.@ IN POSITION
ANO PUSH PIN©. INSERT fiRING PtN 0.
INSTALLATION Of BOLT GR.OUP. BOLT GUID£ AND CHANG£ L[I/[R STOP
@INSERT Bot T GIJID£ ® IN HousiNG. Suoc LoNe £NO Or SPRING@ IN Hoa FoR SAME./NJIDE Or RECEIVER. PRESSING AGAINST OUTSIDE Or BOLT GUIDE@ AND Us IN~ ScRtWORIVER ON SPRING®. FoRe£ TH£ SMALL END Or SPRING@) IN ITs SEAT IN BOL T GUIDE@.
@INSERT CHANG£ LlV£R STOPQ) .4s SHOWN WiTH A SHARP INSTRUMENT; PRESS SPRING@ AGAINST
WALL Or R£C£/ti£R UNTIL RETAINING PIN([) WHEN INSERTED, WILL HeLD SPRING IN POSITION.
@PLACE BoLT Gnoup@INro RlCUVER 4T THE REAR. PRESS' Our ON 80L T GUIDE@ ALLOWING 80L T GROUP@ To DROP INTO BoTTOM OF RECEIVER. SLID£ BOLT GROUP@ foRWARD
@ R -30·M/9!8A2:1JSS£MiilJ!
BAS£ SHOP DATA-ISSUE OF 3-S:-'IJ -.>
fft:lfa ASSEMBLIN-G---~~-sHEJJ] M1918A2 _ OF2n
TooL Dw6.No. ASS[MBLV OF SLID£ AND OPFRA TING HANDLE A77201
• - - --~{D~y --- - ~ fiJ
tLJ/ If~) e -~~~--:- -~-==--- -=t=G;;•-ulO ff
@)TRY P1s roN@. fie 1, IN r HUf.tNc CAGE® OPEN E No or GAG£ HAs a 494· INCH DIAf1£T£R. IF PISTON [NTERS GAGE, /r/sNJT JkVCEABL£ REPLACE lt/1Tfl New PISTON
(G)®--1 SCREW PISTON Roo ©INTO Suet@ As FAR I Q)---ff ~, As POSSIBLE BY HAND UNSCREW Roo© : -J _ --~-~'\E) Two Cof1PL£TE R£VOLt;TIONS AND TAP IN C ~11 ~® ~2 ~
@INSERT SPRING(()IN OPERATING HANDLE©, F1G.2. WITH COUNTERSUNK SID£ Or HaL£ UPWARD, INSERT PLUNGER@ DEPRESSING SPRING([) UNTIL PIN Q) CAN BE INSERT£D
INSTALL A [jf)Jj_ OF OP£RA TING HANDL[ SLIDE AND HAMMER
®SLID£ OPERATING HANDLE©, FIG 3. INTO REC£/V[R To FORWARD PoSITION INSERT SL!Df@ FRON fRONT Or RECEIVER, SLIDING IT To REAR. SUD£ HAI'11'1ER (!)INTO SUD£ @. PULL SUD£ ([{) FORWARD AND ALIGN HOLES @ IN BOLT LINK ~/! !fl 1-!0L£5
IN HAt1f1£R (jj AND HOLE IN REC£/V[R. INSERT PIN @ AND PusH IT IN UNTIL IT CLEARS THE WALL OF RECEIVER.
[/GJ IBAR-30-M!318A2-ASS£M-11~
BASE SHOP DATA -ISSUE Q:- J-j-;. 4.1<5
SttEET
A55[MBL INC 12
P12ES5 CAPQI[Q{OQWAQDANDINSTALL PIN®. IN5 TALL TQIGG[ Q (J) WITt/
PIN®. 5Er CONNECTOQ ({)ON Tl2tGGEQ As INDICATED. [NGA GE -51DE.5 Or 5tAR 5PQING @INTO 5LOTS IN GUARD AND PQt:5:. fORwA/20 AND fuWN.
® JLIDt MAGAZINE /:
BASE SHOP DATA-I-ssuE OF .J-j--43 -S. .:1\/Al L ARMS SHEET RIFLE, AUTO. AS.5EM8LING ;~ L'AL. 30 0 61r'OWNINS f../11;;1{3/12 CF /0
IN.5TALLAT/()N nF ,)f'fy'ING, GUIDE AND TRIGGER GUARD GIT.'JUP
®MEA5/JRE JPRII/G (/) IT OttOiJLD BE 15 INC/1£3 LONG. fREt HEIGHT. REPLACE IF .NECESSARY.
@INS£ RT Ttt£ .SPRING AND GUIDE@ Til ROUGH Ttl! REC£1 VE R INTO THE PISTON RoD®. COMPRES5 OPRING (/) f3y PusttiNG IN GUIDE® UNTIL GUIDE CAN BE TUHNED .90 °AND PROPERLy
SEATED.
@PLACE TRIGGER GUARD@) INTO RECEIVER AND INSERT PIN@ AT®. TURN PIN® 90° IN A COUNTER- CUJCXWIS£ DIRECTION UNTIL PROPERLY 5EATED.
BASE SHOP D/ITA-!s::-uE OF 3-j-- 4J ~
~ifp;;~a A.\S[MPI lNG J-~HEIE4T --6k ·JWMNG \J UL MI 'J idA2 -!..------------------- ---- ~f-!U
AS5EMBLV OF FOI2EAI2M AND TUBE
®PLACE F012EAPM @ON TUBE@4NU HOLD WITH Two !X:I2£W3()AND(/)).
PLACE 812ACK£T®0N TUBE@ NEXT 70 F012£AI2Mil!J. ATTACH .5W!VELV WITH SCQEW (i).
(G) "ff~e ~ ~~~) TooLD.,.j{o r _ .. _ @ '---· C64145
£) FiG. I · r J-(IJ
® INSERT Pwa GAaE®INTO Cv~tNDEoQ). IF Pwc. ENT£125 CvuND£12, THE CVUNDE/2 I:J 0VE051ZE AND SHOULD 8£ 12EPL.ACED. 5CQ£W C~L!NDEQ(JJ INTO TuBE@ WITH COMBINATION lOnL (f9 UNTIL S!iOULDEP OF GAS CVLINDEQ
IS ABOUT ONE TiJ!)N FIXJM COOOESPONDING 5HOULDEQ OF THE GA5 C'VLINDEQ I
TUBE. LOCK CVUNDEP (/) IN Pas; T/ON WITH LOCK ({;';.
-·· ""'''" '":!::- -. (0) C! ,,., _ • . - .- ,"~r-- - --- ... -.~"-- .... -I ,,~1 . . - --- .. Jl=::~,}~
) . - -- . ., . . : . . . .. · ·=--- ·-·-- --- .. . . · ... . -- + 0
~-.(f9--~.~-- -~~ .:. ~.:~=:-~ LJ;)-___ , ' ~ - )1--~-- ----.. --- ·--·--- ----
~ M (§ v ;[; FIG. 2
rn IN.STALLA TION OF GAS CVLINDE/2 A55EMBLV ~LOCK THE G'uNBV PETOAC-TING 0PEI2ATING HANDLE@-AND QETUQNING IT To
FOI)WAI2D Po51TION. 5UDE GAS CVLINDE/2 AS:[email protected] PISTON I?oa@Bu/llJ SUI2E MALE 812ACKEr@ ENGAGES F£M4LE BI2ACKET® IN5FPT P;N r!;) AND TuoN jpp;t-KJ(J)I00°COUNTE/2-CLOCKW15E UNTIL IT 1.5 5£A TED IN DECE!l c.-0.
) R!I.R . )·~_) M/.91(.'1!1 Z !1 ):J[/V/.·I.f72oj/
BASE SHOP DATA-IssuE OF 3-5-4.J -> r:---.,.---~- --- - -- - - - -- - - -- - - · - - -
.!JMALL AfJM5 s /1[/ 1
BjbLfoAuro A~~SEMBL/NG /5 f$91'fljj NG
£
~ ASSEMBLY OF QEAQ SIGHT ' '
l . @ Pic£ Sur£ @ Fl&. I, IN Po:o!TI<:N IN LDJF@
t C /J!VD SC.QEW ELEVATING Sc/..!EW e:) INTO LEAF@ ~~ 5£CUQ£ flLVAT/NG SCQEW © WITH PIN @
DQOP SPQING AND PLUNG£12 (/) INTO HOLE ({)
F;\; I IWD PLACE KNOB© ON ELEVATING XQEW © AucN TH£ Two HoLES AND TAP P;N ({]) INTO
!JOSITION.
@IF A N£W [L£VATING .SW£W @IS Usm. IT WiLL 8£ N£c£sSAQV 70 PLAcr Ass£M&ED LEAr Q), FIG 2, IN
f!XTUQE @ AND DRILL A f-/OLf IN ELEVATING SCQ£W© To ACCOMMODATE PIN @
@ S£CUQ£ W!NDAC£ SCAL£ ([). Ra J 7iJ B4S£@ WITH
Two ScQ£WS @. ! ® [NGAGE Sf-JQI NG @ IN TH£ ( ~
INTO AJSITION WITH A ~~· " , '
OF?O
SLOT IN BAS£ (//; AND lAP ~ ~) DQIFT AND A fiAM"rf£Q. "'-:,- ' '
~l ·, ~.. -@ -~
-~~~ FiG J "'"'"""
' '-' ~--'
· · · --(~<:')'TOOL Dwa.No. ,_ 9089/j/
jBA..Q-30-M 191842-:IJsai:rxzoJ
.J.M.A/.1.. A~M~ f<IFL~ AUTO ~L . 30 .
OWNIM:i Mf!Jf8A2.
BASE SHOP DATA-!SSU[ OF 3-S- 43-0 SHEET
ASSEM8LING 16 or 20
m ASSEMBLY Of QfAQ SIGttT (CONTDJ ~PLAC[ LfAf ASSfMBLV CA) ON 8A3f @, (!G !.
D !fOLD TttE LEAf @INCORQfCT ALIGNMENT W! T/1
BAS[ ®AND JC.QEW IN W!NDAGt .SC/J[W ©.
~AG[ 5PQtllJ AND PLUNC[P @ IN Po51TION IN HOLE (f) Or KN08 ([) PLAC[ KNOB (f) ON WINDAGE Xt<fW ©. ALIGN THE HOLE:J IN KN08 ([)ANn Vtt'iND4Gt SCQEW © -5o P1N © CAN 8£ lAPPED INTO PLACE. C:r
£ffz.L E
@fA NtW I#NDAGl X«W © /5 UJm A Hod MusT 8f Dt<tLLED IN Ttt£ WINDAGE ScRtW To ACCONAI{1)4Tf THE PIN@.
@PLACf /JtAQ .5JGHT ({f), ftG 2, IN POSITION IN ftxruQE Q)As luusTQATED. PuLL Ltvf!~ ® AeouND To Tttt RtGttT To..5£CUQE.
--FIG. 2
ASSEMBLV Of /J[Af) ..51GHT TO GUN
rJ!J/'KiAG[ /([AQ SIGHT ®, {!G. 3, INTO KfVWAY (])ON Q[CE /V[/2 ® [4p /)[AQ :5tGIIT WtTH A HAMMtQ AND A BRASS fLArru~ UNTIL CoQQfCT ALIGNMENT Is Acou;ofo, PE~MITTII'rG -X:~tW (fj) To BE Xf<EWtD THROUGH .51GHT@ INTO Q[CEIVEQ @.
~A.R-30-Mf. J/8.42-A.S 5[M·Iti/~ a ."'.R. M/9taA~l.
8A5E SHOP DATA -IssuE OF 3-s--4 J b MALL ARM·S-r-
QIFLE,AUTQ I CAL. 30 : BROWNING ' AJ5EMBLING M!918'A2 '----'---~-------- ·--------
.A55EMBLV _QF_BiillD
@ 5U!E LEr; !J1 ;fNTO TUBE@ ALIGN THE KEVWAVS IN LEG@ AND TUBE @. IN:EQT KEV @ INTO THE KEVWAV AND APPL V 5CPEW ([21, 5 ECUQING LEG@ IN PLACE
·~ .
((/_9) r:tACE TuBE® IN Po.5tTIDN IN BoDv ®AND 3ECUQE IMTH 5CwEW (!).
ASSEMBLV OF 8/P;JD [0 PJFLf
® SUDE FRICTION W13H£0@
ONTO 8ARPEL @. IM5EQT FLASH H!DEP (}) THWi..K;H BIJUJ (kJ. oc.QEW FLASH .HIDER Q) Ovro 8APOEL (8), :JECUQING &POD@
IN AJ:5tTION
BA0C. 5HOP DATA - IssuE OF J-j--4J,) - · . -~------·-··- - - - ·- - ·- .. -- ···- --- - ·· ···-· ··- --T Ht..Et - -
AJ5tMBLINC 18 Oi :: (;
SM/JLLARM0 QIFL~AUTO CAL . 30 BROWNING M/918A 2 --L----·- - ··· ----------· - ---·
D . &:G f.iA R. i9/6Al.
A55EMBLX .. QF STOCK PEST
® ALIGN HOLE @ IN 5TEM ilfJ AND HOLE (Q} IN N uT (fJl AND TAP fJIN (f) INTO PLACE.
5CRE w LOCK ® ONTO LEG ©, ANu 5CPEW NuT L)) ONTO LEG@.
8ASE SHOP DATA-ISSUE OF 3-.5--43-:5 r-·;:-----:---.--·- - · ··· ·- -· ·-·· ------~-----,
ffi}J~Tb. ASSEM8L/NG I SH79 (f 20 I
________ !__
F;c I
®/NSEQT THE FOLLOWW@ INTO Tutx@. CuMIJOESS 5PQING (Q AGAINST FOLLOWEQ AND SLIDE BASE(/)) INTO
BoTTOM OF TuBE @.
e o . _. . .c;. -:-.• -~
'~--- -.~.::----- . . -·--
FI G. 2
B!JJWNINC7 AUTO QIFLE, Mlqld A2
IN5TALL/1TION OF 5TOCK IJ[.5T AND MAGAZINE
®INCE!dT .';rocK UEST !f) IN7L1 Busri/NG IN5TOCK ®
®suoE MAGAZINE @IIIT050TTOM OF ldECE!VEt.J, As ,')HOWN
BAS£ 5HOP DATA-15SUE 0F-13MAR4-4-8* SliM ! L AQMS
~;L~~9~TO A SS[Mfj/_/NC MI'Jih .:...:.A-=-J---'----------- -------
TOOLS !)[0UIP£D TOOL DWGNO Y-IEE T (){)[Q DET
909180 1 ' 8 909/79 I I D
-&.fJJ68-40 2 5 A240! 3 6 [
~719A ,. II 8 C1719G 5 12 G :r__z 119/v! . 5 f!C.! 908917 7 14 A
. .{" 641 -'1.5 8 /9 fl -,-\11,'('! B !! 28
~--~'17 1201 14 38 1-1 r-- .
14 38 ~~---Cb 1f-1 'j ~()fFJ8! 15 41 f(
908919 16 16 J 41-C;Z5J.2 95 '----'-·- - -- z 4 -
\o4Q~D-MT9/8Al ~1)50~1.)@
PFPLAC£~ .JHEt rZO, ft.'D Utv! T Nc.:_'.fSSUf Jr ~ .. r:-.:_-.
ORDNANCE FIELD SERVICE
BASE SHOP DATA
Rifle, Automatic, Cal. .30 Browning, M1918A2
PREPARED UNDER THE DIRECTION OF THE CHIEF OF ORDNANCE
ROCK ISLAND ARSENAL .. NOV., 1943
1.1.1 ....
Tool Drawlngs ............................. ... ... 3
A 77 Z.OI
REVISIONS MARKING :-.308AR M'~..t M•18A2 & .30 aM.R.M.22 C-'-'73 SA:. PISTON COMPONENT I GAGE
ORG. NO. I DATE I DATE R~TION fflttC FDR GAS PISTON FIELD SERVIlE.)
I A 7201 ORO. DEPT. u . s . A. !C-,073_,-4-~ -3~~9-14-.36
t\1 <:) <:)
~ I STAMP MARKING
STAMP:- NOT GO 494
PLAIN RING GAGE AMERICAN t;AGE OE.SIGN STANDARD
HARDEN TO ROCKWELL SCALE C '3 MIN
LAP I' SURFAlES REM6v'E ALL SHARP EDGES . ..:/.J A-
SUPE.R0~0E5 OLD TRACING SA-SfJfJD UNDER REVISION DATE OF SEPT. \4. 1~38.
- · · - ·· - -1 I
DRG. PERTAINS TO ·-----8 1130CDZ. GAGE LISTS
-- - -----· --- I r---- ·- . ···- ·- I
SYMBOL
CH£CKER I C~CKER ICHI
/?.(if-/. .
;f.'ITTEoC S ~
CAPr. OR O DEPT u . s. A .
APPROVED ·
<SI ~,.- ~ ~ . ~ COL~ORO . om. u 5 , A
SPRINGFIELD ARMORY
DATE SEPT. 1-4, ''38.
A 77zo.r
A 1720+
MtcRKING7- REVISION~ 8 G. AUTO. Rf"lE CAL..30MI9~ C-64296 GAS s1h'HINDER REJE. PLUG COMPONENT GAGi FOR DIA.OF PI HCl.E (FlfLO SERV&C£)
DRG. "0. DATE' OATf. A 712.04 ) OltD- DEPT. \I.~A. li~SP C6429' IZ.-t~-40 !:J-lS-41
N 0 0 0
+ STAMP MARKING 0
\ fC')
HARO\N 0 10
ORG. PERTAINS TO ~!{---·• I
., r B I 130' 2.-1 &AGE UST~
- - ( - ~~~ - - \
\ 'U..I I
.r.. ,_.l(---; I ~ /'J D'nSMAH ,.~~ 1.!0'601"1'~
tP.II-· ~. ~.
P£CKC" lf'&C
CH(.exfA ~,~~
SiAMP ;-NOT GO.~ sR:[1·~ S.E. PLAIN PLUG GAGE
CAP't OllD. MP~ U.S.A.
A'&ovn:- BY OtlD"' 011 nt~ AMERICAN GAGE DESIGN STANDARD ~l~i~~ USE GO STD. BLANK
~ M A J., Q_~D . . DEPT. U.l-4.
ROCKWELL HARDNESS CGi3 TO 66 SPRINGFIELD ARMORY NOT TO SCALE DATE MAY 28, 1941 LAP fJ SURFACES A REMOVE ALL SHARP EDGES 33 A 77204
I
'J,;_
REFLECTOR ~BEL Ct>L. 30 ~14?001 -------... -. •u.•.-r·~-~-
ua •--.. • - -'"--~-~
p=_l:t. ~··- (.') - - , I 72"~-""-~- Vh 'li/nvr~. - ,,Q __.._ 1 • ~- I , v'> . ,1 .. : r>-=--= -- --- \ I' ... ,·~r~
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'---1-----, ~~.~~ @~~:~.u ~=~:; ~~L
- ; 8311001
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--:-::--~--~
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a ~
TUBE eARfiEL REFLECTOR ~~<n• -• )-~E 1.. T~o.~eu~,.. ~·. o•c ' -
M,....,...,,.(.Tutiii . ,..C. C?MP?N!t.T
. fr, I ' I I I . , ;--.,. \ . - ~ n• " l.1!k·~(-,
n,~ i_jl 1 : t ""~ 5.TC[I. ·wt:o ~ AI5Z. 7, ~-1
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!'VllfiRJR BARREL FE:FL~:TOR ~L~ (}-15Z.1l.5
------~· ·· ~::1· .·~ · :Tl-~
lt'T~.[.....--4 ~ .. .... 1f.--. . ............
1-~-i FRAME e6RRE Fe: E'-@Uci'~F
MAP.,IJ,-A.:n,,. ,~ :.OMP!:.Io!NT ..; 1..1/tt -· ·--·-v;{!~-·-SI1,..£T LCJI';.
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_ / ~ -r- ~ .._ ~ -~ ~ tcu• IK•l . ~~ ,,-- -B;:Ja ~ n · ~.f'J ;· · +: ~ ".;:~::r,.;_;.:~i:,;.,.,. . .,.,"_; ~ . - ~- - --~ -- r -1!- .. ~. ,. ••. , .. ~-.., -"'-""- ~ - -'J - . , .. , ----
~' ~,l .. , 0 ... "" •• '"" "~ T""J l 11T ~ ""''"'- --"r I _:~ ~ 1831t002 I
.. ~- l - • •• -r=:=: + ~ 1 r--1 ,... 1 · - ~_,'@) ~ ..
G\ "lr(pJ!: · " ,,H if). :--~- ~~::=~=~F=::::3EE "0 ~ . • -1 ... ~ --11 ~ ~- n
~ :- 1- .:f' (6 ~"' .iij•:, -;;,-=.L{ _ 1 I 1:1 I I I= 13 1100 2
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8
"< - - --- HEAT TREATMENr C.rtNAL riNISHl MAitCH $. t9L~ ~ MAWI/llf9 tJPEff.HING H£ATTOI4ltJ·I440'F.OIENCHINWATFR' I ~~~VISIONS ~ LIST or ORAWI/1165 NVJIII/J£1t SPACE ·a· rcNPER Anso·r. RtJCI<WEli c·~· 6-S 4 'fl.-w ,, 5-it-JK ~ S • • I 11 -TJ9 ~ _ /N~£ OFM41VIIFACTJIRER I 1-1-Jl ~ 9 ·J·40
OS AliCE · 7' T-• -J7 ts' ~ -ll·fl._ I ~GEHEA03PACF.CAL . Jc LEM571V1." [JqAW ..... TO ~ c'--,NT-l! N,<'jj}:io ·41 2 CT71S4 l .U4 I.N ~~lL!>3U.IL OllD. DEPT. (/.sA ' N4 -J7 7 1·2-41 J CT71!HJ l..6SS /.HI . • • ' ' t-z .. n I l·I9·4Z. ~ t:711~ ZA;:S~ I.Ul M I II 1-ICCM ,, /·7-43
~ C771!1D un 1.1-IJ - . HEADfPACL G4Gl Dli'6. ~RTA/N3 ro ~ C771'J£ Z.(oS,S /,- .,, ::~""' 1
1 cm:u· U59 t.NS 14 .l 1 11~ CAL..30 -, ;~.Jon " CT71H> 2. ... 0 1.946 l'- ---t-i--'tJ 1(.1'1/N. GAGE £IS TS 9 CTTI9H 1.661 1.947 'JOl-m I I
10 cm9K L662. lU6 I \ II CT71JIL Ho63 I. U!l · _t__=~ IZ ~17tnw U.... 1.950 - ~ -- - HEAI»>'NCE /)IM£HJION. l't£C£MAIU! & I J Cnl9111 L.66S I. 951 T""" lfEVtSIOIV J'1'1'>00L 70 1J£ Jl?Vfi'ED HfR.E. . I~ CT711P u;~~ /.9$2 ,----~==;r!;;:==~-..L.., 15 CT71.!1Q L6i7 1.953 JCAL£ l,. /?[Vt5tONS 16 CT71'JR Vo6B 1.954 1 A£ !AIL tiT MAIU'(/N5 ~ 5-~-4 ~ IT C71195 Uw' /.!ISS 4 1-J ·- -- -16
~~ ~ @@ I u SPECIFICATIONS -~ IIIY/:J/DN :
l ------ 1 1-• -l.~-r7DDIA44't I ~A6" l'f/EAPSI'MrE, OfL .. )0 >< .12J ~010 ---r---~r - -,.---------
1 Tl>ol $TEEl rAR60N/IN/)~y --..... 5'-108 I 7
J _...-- -.... .049, 009 , .40t • .ooY f 4 ....- ..._ .Oli'·##I . 5/l'OOY
5 _...-- ~-......, ~ I I / . I.!:: -........... f FN- I -----+--.....;-.v'-J[W;oi*~-T--1
f>Aii£ 3 /Hr AtrD ( N4 A.U ~ VSE IN THE
M.ltrVTA\CTURE OF 1?1£ us. R/Fi£ CAl. JOA(/ tt:=-'~~,_,· LL}.-----~7---L..---i--+--Jf,:::::p--~~ NOT£: -Oil? ,~ k J U.._U '!IJ'Z''v-..
OA6ES l!I4AND u..,..,Ail£ roR vst: /IV mt: · · :., ST:4NPMMKJMShCR£ ~LAP I ~ MMIVI"NTldl£ or OT/ft:Jfl lflr£0. ~ ~ ~r \
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