bar base shop data (english, 1943)
DESCRIPTION
1943 US Army manual for service and repair of the M1918A2 Browning Automatic Rifle.TRANSCRIPT
ORDNANCE FIELD SERVICE
BASE SHOP DATA
Rifle, Auto., Cal. .30, Browning M1918A2
PREPARED UNDER TttE 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
Item
LIST OF CONTENTS
List or References General Information
ConTersion List Of Tool Drawings
lh§..:P • N £!..
Assembly - - - - - - - - - - - - - - - - 2
Dismantling - - - - - - - - - - - - - - 1
Tool Orawinp - - - - - - - - - - - - - .3
* Replaces List of Contents, Issue of February 1943
Ordnance Field Se~ice Base 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. .30, Browning, Ml918,
Ml918Al, and M1918A2. Toole, 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·eighting 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,
special o~ls, and similar items of issue Soldering, brazing and welding material, gases and
related i tams Targets and target equipnent, 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-U SNL F-34 SNL F-69 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 AutCIDB.tic Rifle, Cal. .30, M1918A2 with Bipod FM 23-15 Browning Automatic Rifle, Cal •• 30, M1918A2 without Bipod FM 23-20
TECHNICAL MANUALS Cleaning, Preserving, Lubricating & Welding Materials
and Similar Items (Now published as TR1395-A) Browning Automatic Rifle, Cal •• )0, All types Field Glass, Type EE
ORDNANCE FIELD SERVICE BULLETINS Maintenance of materiel in banda of troops Electric & Oxyacetylene Walding
'I'M 9-850 'I'M 9-Ull 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
A240l
B316o0l B316o02 B3l6o03 B316o04 B3l6o05 B316o06 A7720l A77204 Bl4700l C7719 C64145 07106205
Alignment Tool, Buffer Tube 8147493 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 M1918A2
PREPARED UNDER THE DIRECTION OF THE CHIEF OF ORDNANCE
ROCK ISLAND ARSENAL,· FEB .. 1943
Dismantling
B.S.D.-AR.-1
B.S.D. No.
1
. . -SHEET SVALL ARMS
~IFLE, AUTO DISMANTLING I CAL . 30 BROWNING M191lJ A2
B
AG.I
REMOV4L OF STOCK REST AND MAGAZINE
(!)PuLL THE STOCK ReST@ FROM THE BUSHING IN 3TOCK @ AG. I. PRESS MAGAZINE R£LE.A.Sf @ AND REMOVE MAGAZINE ({))
(!)SLIDE Our BASE®, KEEPING THUMB OVER BoTTOM OF MAGAZINE@ To_PREVENT SPRING ([) fROM FLYING OUT, AG. 2. f?EMOVE SPRING ([)AND fOLLOWER(/]).
or 13
iBAR-3D-M1918A2-{151vf.f(J3 ~
ifjJLL ARMS /!Lt. AUTO
CAL . 30 BROWNING M1918 A2
BAS£ SHOP DATA-Issue OF !/'1/tJ ~ SH£CT
DISMANTLING 2
DISMANTLING OF 3 TOCK REST
@LoosEN LoCi<@ AND UNsCREW
LEG @. SCREW LOCK @ OFF
LEG ®. DRIVE Our P1 N © ANo
REMOVE STEM @.
I
0Ff3 I
IBAR-30-M19!8A2-DI:M-2.U3),
f3AS£ SHOP DATA- ISSUE OF -'/1'~_, I ~t ~RMS 7f. E, AUTQ CAL .JO 8ROWA(~NG M1918A
~
~I /U Di2 I Ill
0:0~
SHEET
DISMANTLING 3
FIG. I
REMOVAL OF 8/POD
@)UNSCREW fLASH HIDER @. F/.G./. REMOVE THE BtPOD ® fROM THt FLA5H HIDER @AND THE FRICTION WASHER (t) FROM 8ARREL@.
DISMANTLING OF BIPOD <.
®REMOVE ScREw®. SuoE Our LEG ® AND REMOVE KEY ®. fiG. 2. REMOVE 5CR£W @ AND PULL TUBE(/) fROM Boov@.
-
Ort3
!BAR-3o-M1918A2-Dt5M:-3V 3~
BA5E c5HOP DATA-/jSUE OF 3/-1/""3 r 5-MLL Ar;Ms Q/fLL AUTO C4L . JO 8/:JOWNING Mf.918 AZ
1-@
DISMANTLING SHeeT
4 or 13
-~ ~
(J)Dr.i!V[ Our PiN@ fiG 2. QfMO/E KNOll (() UNSCQtW WINDAGE 5cDtW (/). /:2tMOVt .5JGHT
L£Af ©. PuLL .5PI21NG AND PLUNGtQ@ fiXJM
/fNOfJ (f).
(\ ~
Q
1J l f~ L< ~
~. I
5) 10'® ~I _,_
(!G. 3
@[XTIJACT Two Sc.ot"ws Q) AND /)[MOVE WiND4Gf .5cALf ® PULL OUT .5/:>QING (i).
®TAP Our PIN@. {!G. 3. Q[MQV[ [LtVAT/1/G ScQfW (fj) fJf21VE OUT PIN @AND QfMOit KNOB @. !JtMOV[ mNG ANDPLUNG[f)@ LifT Ji.l[)[ (J) To TOP OF SIGHT LtAf AND Q[MOVE.
l&W -30-M!3/8A2DI5M-4/J~
BASE SHOP DATA-Issut: Or J/4/'fe ~
~IJM.!J.. AR~S SHt:LT irL[, A Ta DISMANTLING 5 CAL.30
tt1~'f~~NG onJ
REMOVAL OF CYLINDER TUBE AND FOREA!{M
on:· ... ~· &m
FIG. I
(/()\COCK THE GUN BY,RETRACTING OPERATING HANDLE @ AND RETU~NING To ~FORWARD POSITION. TURN GAS CYLINDER. TUBE RETAINING PIN SPRING @ 180° IN CLOCKWIJ'£ DIRECTION. PULL OUT RETAINING PIN SPRING @ SLIDE
CYLINDER TUBE AND FOREARM ©fORWARD AND LIFT UP.
~(f .,,rrr,,::~ ~!ml~ifim;;w-
co-/ ._.._1 I
0~ · . - l..l' fiG. 2
-~-· I
4
I
DIJMANTL/NG OF CYLINDER TUBE AND FOIJEARM
1 dl-{0
® REMOVE SCREW({}) AND SCREW({). LIFT fOREARM({) fROM GAS CYLINDER TUBE@. REMOVE SCREW@ AND SLING SWIVEL Q). PRY OPEN BRACKET@
AND {)£MOVE (ROM TUBE. DRIVE 01JT GAS CYLINDER LOCK([). UNSCREW GAJ'
CYLINDER@. iBAR·JO·M19ff3A2-D15M-5P~
5M_4il_ A~MS l1irL~ UTO CAL.~ O BROWNING Mf9_~B__A2
CJ/1 5E SnuP DA rA - 1~ .,.., ;;[ Ot 'J/.;/fJ ~"
DIS MAN TL lNG :.:, Ht. ET
6 or ;3
f~JrMOVAL OF TPIGGfP GOARD G~OUP, PECOIL GUIDE AND SflPING
G
~
;{1 FIG. I
fi3'\ PuLL THE TRIGGER, liOLDING 7HE fJ;s, ON
~ ROD @!(I PREVENT PISTON (/J) fROM
STRIKING" BRACKET((). TURN TI?IGGER
GUAPD H[TAINING PIN SPRING' (/)) 90 ° . IN A (J_oc K WISE DIRECTION _.:1ND P oLL Our.
L! FT OUT TR! C G t R GUARD CI,'OU P. ({) .
TURN REC(! IL J/Jf.HNG GuiDE (() 90. lo PIGI-IT On LEFT AND P£M()VL GUILl£" (0 AND SPQING ~) .
f0:R30 AJ/)!:!_1?-!Y9vt 6~
B S; D. ,/.J</ g
5Md t.L ARMS. S t1U:T
RIFL5 AUTO DISMANTLING 8 CAL . 0 BR~t~ING M/91 2 OFI3
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£Cf!V£R. PUSH Our N1MM£R PIN @. SLit;;£ 0PERI1 TING H!1NDLE © To REAR AND Our.
~ @Suo£ H11MM£R © foRwi1RD liND Ltrr Our Or ' RECEIVER..
~ cEJ @ cCJ fiG./
®PRESS DoWN ON BoLT LINK if) ALLOWING SLIDE([) To BE PULLED fORWARD AND Our. ®--f DISMANTLING Of OPERII TING lii\NDLE
®--/ AND SLIDE
( ~®PRESS 0PERATING!£1NDLE PLUNGER@ cd s INTO OPERATING HI1NDL£@ 115 fi1R As
F/6. 2 Ql--jj PosSIBLE. PusH Our OPERitTING HltNDLE
PLUNGER PIN Q). RfMOV£' PLUNGER@AND SPRING@.
@PUNCH OUT PIN([). UNSCREW GAS PISTON @(ROM SLIDE@.
dOLI «D C1C illiD
(& n----© rf(S · 3 ~AR-JJ-MB/842 -DISM-&'t3J)
f5r'' A~s 7tLE07Jro CAL.J B~OWNING M1918 A2 ·
BAS[ SHOP DATA-Issue Or J/-1/~1 r
A
e
SHEET
DISMANTLING 9
~~
REMOVAL OF BOLT GROUP, 80LT GUIDE AND CHANGE LEVER STOP
OF 13
6t\ 5LID£ 80LT GROUP @ To REAR AND LIFT \f::.V OUT. WITH A SCREWDRIVER REMOVE SPRING @ fROM StAT IN BOLT GUIDE ©. LIFT SPRING
@ fROM R£C£ IVER. BoL 7 WIDE @ CAN BE PULLED fRC1v1 OUTSIDE Qc RECE.IVER.
___ r:J ~ ~
FIG. I m PRY Our [HANG£ LEVER STOP SP~ING Rt\f:::.!::) lAINING PIN @ AND REMOVE CHANGE LEVER STOP AND SPRING ({).
=~ll ®
DISMANTLING OF BOLT GROUP fiG.2
fiJ\ To DISMANTLE BoLT /wD BOLT LOCK GROUP ([), fiRST PEMOVE ARING AN @. ~ PuNCH 0l!T AN @ AND REMOIE OOLT LINK Q). PLACE A SCREWDRIVER UNDER LIP OF EXTRACTOR @ AND PRY OuTWARD AND 70 THE REAR. REMOVE £'xTRACTOR SPRING({).
/B4R-30-M8!8A2 -DISM-.9(£3~
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 ---4 ();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
f3AjE 5!iOP DATA- /s:wc OF 3/f/f3 i ~LL AQMS TL~AV7a DISMANTLING
SHctT
C4L. V 1M. NINO II ~18AZ -- _J
Ort3 -
DISMANTLING OF BUff[Q ASXM8LV
~%b 67\ V:.:.JuNscl2tw /JfrAINING ·sLttvt@ r /G. 1 !JtMOVt WA~to ® 4No
DQAw OUT OWING (Q. OuLL Orr 5TOCK.©.
@) UNSa!fW ACTU4Ta? TU{J[ ([) Wmt ToOL <0 f /G 2 Surx ACTU4 TOQ © Our Ot Tuat ({) [ XTOACT .5/)/)/NG ®.· rouD
CONt:J (J) 4ND fouo CUPS ® 4ND HtAD A:S5fM8L V ([).
@IF IT IS NfCfSSAOY To !2fMOVl f3uFfffJ TUBt@ UNSC!JCW IT WI Ttl A WtJtNCtt (jj).
J-~1 TooL DwG. No
['" (64145
_. J1 I ]+-.,., // >
-·r {BARJO -MA9~~-/I(t~
BAS£ SHOP DATA- ISSUE OF 3/-4/·171 S/vfALL ARMS. RIFLE. AUTO DISMANTLING CAL . ..;·O BROWNING Mf!J/8 A 2
DISMANTLING OF SWIVEL
~ -
I
I I
I I I I
1------.; '· ___ ..
rim ~EXTRACT ScREW@ AND R£Mov£ TH£ SuNc SWIVEL ®. TAKE
Our TH£ Two ScRews © . L!rr TH£ BusHINC ®~Our Or THE STOCK {[).
SH££T
12 OF !3
!BAR.-30-MI318A2·0/SM/2U3j
BAS£ StiOP DATA-Issue Or J/.ff .. or SA1_ALL A~MS I SHEC/3 . PlfLC,UTa DISMANTLIIVG CAL. 3D BROWNING Mf9f8 A2 OF /J
DISMANTLING CF BARREL
c f fiG./
(5t\ DRIVE OUT AN @, USING PIN PUNCH. lAP fR:JNT SIGHT f3RACKET @ {FKJM ~ fJARREL ©. lAP SIGHT @ Our Or 8RACKET @ RtttovE Ktr 0 fRott BARRfL.
DRIVE OUT PIN 0. USING A PIN PUNCH. TAP 8RACKfT © fR0/1 13APR[L .
F!G.2
c
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I "I '') I ' I ,
I / , I
---,
TooLDwGNo. 909160
I I
I
. __ ..__ ,.,_...,.._,~--
TOOLDWG.NO SHEET OPE!). DEl C64145 II 28 f 814700/ 13 32 H 909179 13 32 L 909180 13 32 J
? ~~ ~
REMOVAL Of RECEIVER fROM BARREL
fiJ\ INSERT lboL @ INTO 8ARREL fROM RECEIVE~ END AND /N5PECT BARREL © ~ foR STRAIGHTNESS. CHECk fJ4RREL foR RUST, PITS flvD !3uRR5. IF IT IS NECESSARY 7b REPLACE THE !JARREL/1ACE 8-4RREL © IN fiXTURE Q). [LAMP fiXTURE Q) IN A VIS£ SHOWN 8Y DoTTED LINES. UNSCREW RECEIVER @ fROM 8APRfL USING
WRENCH (!). @.A.R-JO-MIJ!8AZ-Ct5Jii]@
ORDNANCE FIELD SERVICE
BASE SHOP DATA
Rifle, Auto., Cal. .30, Browning M1918A2
PREPARED UNDER THE DIRECTION OF THE CHIEF 0, ORDNANCE
ROCK ISLAND ARSENAL~ FEB .. 1943
B.S.D.-AR.-1
B.S.D. No.
Assembly .... ... ............. 2
BASE SHOP DATA-Issue OF 3-~4J---f SMALL ARM~ SHl £T RIFLE, AUTO. CAL. JO AS5EMfJLING BROWNING MI918A2
NOTE: CLEAN ALL PARTS IN SOLVENT 50LUTION AND Dk'( [{AMINE LtH fART THOROUGHLY. REHACE ,~NY PART fXCE551V£LY V!bHN OR 8ROKFN.
BLACK- Pov(rRATE Au METAL PARTS ExcEPT THE BOLT AND BoL r LIN~ THE 5uDE AND A5TON l?oo AND AN. THE CoNAECTOR 51GHT LEAF.
/
I
I I
I I
' /
Tom Owc.No. HAMMER AND AN. 5PRING AND GUIDE, 909179
SEAR AN AND CARRIER. AND BurrER
AssEMBLY. LoBRICA TE THoROUGf-tLY
DURINJ ASSEMBLY.
,___ ____________________ ----~ -- ·~-------
ij) TOOL DwG.No. 309180
I
.A:i5EMBLY Of RECEIVER TO HARRfL
0 PLAC£ BARREL (/1) IN FIXTURE (/J). CLAMP fiXTURE \13) /N A l!/5£. 5CRHV
REC£/VER (( ) ON 8AHRE! (A) WiTH WRENCH (j) ). AL.!CN LOCATION I.INF5 !lT\[ .
ycl->~~ . --(~ )
...__,.___ --==I. QJ ttJJ JD ® r1c2 ch ~!J CNJ
A 5 3£MBL Y OF BARREL. (J\ 5UC£ mACifET (/) ( )N BARREL ({;) uNTIL GAS HOLE \fl. '. IS Aur;NEU
\0 vt'iTH GAS HOLE IN OOTTOM OF f.EACKH([). TAP IN PIN (/).
( ] .'\INSERT KEY (/{) IN 8AHREL (Q. 7AP __ 51GHT (f) IN :);iGHT BASE IJ. ~ lAP SIGHT &sE @ ON BARREL 0) UNTIL AN 0/) CAN BE
DRIVEN THROUGH BRACKET {fJ AND KEY (/{).
(Jf 20
L BAR -:xJ-Mi!:ii5A2-A55EM. -/(2Q)j
BASE c.S'HOP DATA-IssuE OF r MAR -'f4 a~ *'ALL At!M~ SI-IE E. T
AjJ[M !3LI NG ~ FLE, AUTO
CAL . 30 BRO'(f'f~NG
(\~-<.0 M1S1 A
41-C-254 -295
r ~ Mb . . ~J..~ t;:i
!}) ({) ([ 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 J1DE PLAY AND LDOcSENCc.JS 111/ITH BOLT LOCK .
CHECK !H£ BOLT LOCK tU FoR £XCD5SIVE LOOSENESS ON PIN@ OR RECtuSIVE WEAR AT @.
@CHECK THE BOLT A5SEMBLV (JJOLT AND BOLT LOU<) INJ!DE li-IE TOOL
41-T-3369-40. HOLD !30L7 ASSEMBLV FOI<WARD A ;AINST fAU ~). SPACE AT Q)cSHOULD BE !!£TWEEN .010''AND . 012. ~1 (JPACE r4.T ([l)cJH(1f1LD Be BETWEEN .0/0"AND.0/4) NEW0R0ERV!CtA8LE BOLT @ MAv OF T£N he AT TED 70 OLD BoLT LocK©, OR /licE VERSA, 70 FoRM A Sn,;v;cE ABLE BoLT
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 0BTA!NfD .
NOT£:· IF Ti-t£ BOLT AND BOLT LOCK CoMBINATION ls !(lo LoNCJ ,GRIND !i-1£
OvER-ALL LENGTH As INSTRUCTED ON N£xT0H££T, lr THE Eou'PMENT Is AVAILAL3L£.
G (H) (/)
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
BASE SHOP DA7A -/.:5sut Or 3-s-~4J-5 i!:ALL AOMS
VfL [,.AUTO. CAL. JO BROWNING M1918A 2.
fiG./
~
F1uZ.
SHEET
AS5[Mf3LING 3 Of2()
C)Toa Dw6 No. A240f
(5PRtNGflfLD A~)
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I I
' ..--;:-:. _..
(J),T !J IMPOI:!TANT To SfCUQf T11f Assfu&v@ fiG< WITH Tttf jCQEW@ (/QST TttfN PL4ct
PLATt ([)ON PIN @As SttOWN AND .5tCUQt W!Ttt TttUMB Sc.QfW ([). G.QtND Orr ONL v [NOUGtt fOR 8oL T A.5 SEMf3LV @ To BE comer, AccoQDING To 0P0~4TION 5
!BA.R-30-MIJI8AC:A55EM-3/20~
I \
8ASE SHOP D4TA-15SUE OF 3-S~43 --~ SMAll. d!JMS 1 . ISH£E4 Q/FLE, 4UTO ASSEM/3LING CAL . 30 BOOWN!NG Mlq18A2
- -- --OF 20
Ao5EMBLV fOf) INofJECTION
0
®A-ACE BOLT LiNK@ ON f30L T LOGi1 (fj) AND INSEQT
PiN©
0 ~~ --- -Q> } ~ ~ ~::- ) )\1 • .._ _
-~ = v (' Jih··· _,;;;;;:·~~~~~~~
(J) INSEQT BOLT @ INTO QE CEI vEO([)
TOWAQD QEAD AND SLIDE IT
fOQWAIJD, fiG./
DG. J
Q>
~
~ 66.2 \
@OoEss DowN BoLT LiNK ®.FrG2,AND !NSEOT OPEQATING SuoE© SLIDE HAMMEQ@ INTO UNDEQ 5/DE 0F 0PEQATING 5uDE @) PuLL 5uot@FoQwAoDAND LIFT UP L/NK® UNTIL P;N (})CAN BE INSEQTED THQOUGH SLIDE@), HAMMEQ ([])AND LINK@
I BAIJ-30 -M/9 18A2-A55EM.-4(ZO)j
BASE .J'HOP DATA -ISSUE Ot= 3- IS43 f
ASSEM8L;NG__ ___ lx5 I l) '" 20
® FIG. /
~· FP • j Mov£ 0P£RATtNG J'uot ®To fi£AP G = r:r~L0W6/<b-cm911l oc'1IY8A To RETRACT Boa /NS£RT L119qo GAG£@
DDlDw6No 1.950 lJSEOIN rmo Toot.. ,
IN BARREL AND PuLL OPERATING SUD£@ foRWARD TH£ BoL r LocK© Wtu Go IN To PosiTION, fiG. 2. tiAMMtR P!N@5HOULD JrAND AT LrxKm fb5tTtON X lia. I. MovE JuDE@ To REAR To RETRACT BoLT®. PARTJ SHOULD SuD£ [AStLv. REMOVE b'AG£ ®.
rm ~ 0 nG.z \!!::)INSERT A 19~6'GAG£@AND PULL SUD£ fORWARD. BOLT LOCK © SHOULD NOT DROP
IN R£C£SJ Or RECEIVER® fiG. 3. HAMMtR PIN({!) 5HOULD Now 5rAND A /J15TANctY (4A"ROX. ~ INCH) ReARWARD Or lr5 Loa< to !b51TION X, 1!61. AIHtN THE !!tAD 5PKt I':J trcf5.51Vt.' Dut 70 hloR# boLT, JOLT l.iXK. OR_WoRN Rtct55 IN Rtct/VtR, Jn tcr;vt f!t5 ()p ANY Or liltJt PART5 MAY be TRtto IN AN [ffORT 70 Cov13tNt A IJNIT !iAviNu JATIJFACTORY tltAD 5PACt. lrtODifltD !30LT LctK5 W'HICH lA!<t AN ADJU.5TIN6 PLATt MAY §c U5t.IJ-5Et ftG. 4 . THt.Y ARt 6ROUNO 70 Ju;r IN J;G({),5Httr 3.
~~'11101''" l '-nii/1', 0 d~ "-
FIG.3
Fi6. 4 ~-- - ------~ f1AL 10 -MtJ!:'.'! l/:_11.1 )£ M s~o
BAS£ SHOP DATA-ISSIJ£ OF 3-S--43 -j
S.MALL ARMS SHEET RIFLE, AUTO. ASSEMBLING 6 CAL. 30 BROWNING M1S18AZ OF 20
ASSEMBLY OF SWIV£L
B
I
::::.:::.!
@INSERT BUSHING @INTO POCK[T IN STOCK@
As INDICATED INSTALL 5CR£WS © ATTACH
SVItVEL (jj) 8 £ TW££N LUGS WI!Tl! SCREW([)
[BJfR-30-M !9!8AZ-~[M-6_l{22J
BASE SHOP DATA-IssuE Or 3-S - 43 -5 --S.MALL ARMS. SHEET RIFLE, AUTO. ASSEMBLING 7 CAL. 30 BROWNING M1918A Z
D) TooL Dwr:r.No. (8 90BS77
- --- - ----
A SS£MBL Y OF BUF F£R TUB[ TO R£C£/V£R // '
~Oa~l~No \ ~ ,.r@ ~ .. _ ./ (
I ' I £ : 1 I: , . 'ri=lf===-1: · I ~ II
o·-- --- -Q ~
TooL Dw6.No. 908377
F
@PLACE SAFETY fiXTURE@ IN PoSITION IN RECEIVER@ As INDICATED THIS_ W'ILL PR£V£NT SQUE[ ZING REC£/V£R ® WHEN CLAf1P[0 IN VIS£©.
® CLA/'IP REWVE:R IN VISE As ILLUSTRATED, AND PLACE GAG£@ IN REC£/VER ®.
®START 8UFF£R TUBE([) INTO RECEIVER@ INSERT GAG£([) INTO BUFFER TUB£([). TIGHTEN BUFFER TUB£ 'v/!TH WRENCH@ UNTIL GAG£ ([}) [NGAGES INTO GAG£({) As ILLUSTRATED IN INSET @ TIGHTEN 8UFF£R TUBE To TH£ TIGHTEST POSSIBLE POSITION AT WHICH THES£ GAGES WILL ALIGN.
or 20
IBA.R-30-M/918 A2-ASS£M-7 ~OJ
f3A.SE SHOP DATA-IssuE OF 3-s-- 4J -6
~rt13i~tto. Asc:cM'RI 111)(, - SHEc -J BROWNING .JL I UL II ,, , J L': Mi91dA 2 __ ___ _ Or- .:'0
!JnL BUff[[) TUB[ A55£M8LV INCLUDING -STOCK fJ wG.No. L"•
~~ C6114~5 \\
(11 (2 '. I
"'e~ -~ • I -~- - ~),.,
FtG/
. "'• CONLS T @PLACE HEAD ASSEMBLV@ IN POSITION So /}£LEASE @IS IN A VamcAL
POSITION.
@ IN SEPT Fou12 CuPs ID,Fcvl? CoNES(/)) INTO Burn 12 TUBE (f) As lu us TI2A rED IN FIG/. PLACE SPI21NG ([) INTO 8UF FE{) TUBE Cl).
~----~
----· fAa.2
@ ScflEW ACTUA T0/2 TUBE ({l) IN TO Bur FEfl TuBE({) WITH TOOL (f]). DIP ACTUAT0/2 (J) INTO LIGHT MACHINE OIL AND IN.5EI2T IT INTO ACTUAT0/2
TUBE G fLAT END fii2ST.
@ PLACE STOCK@ IN POSITION. INSEI2T ACTUA T0/2 5Pfl!N:J ([)INTO ACTUAT0/2 TUBE(;). PLACE LOCK WASH£{)@ IN STOCK@ AND SECUQE .STOCK(/?)
IN POSITION WITH PETAINING SLEEVE@.
I BAR:· JO M!_~;:;;!( A ·)~ .[ A! ·t1t~0J
BA Sf SHOP DATA -Iss uc OF J -.6-- 4 J - r;
ASSEk!BLING SHiD F ASSEMBLY OF BUTT PLATE
@ INSTALL TQAP @ IN PLA TL (/J)
(Q ~~0(~ ~-~ ~ W!Ttl PIN ©. StCUQ£ TQAP SPQING (/))IN PoSITION WITH !£/JEW([)
I ri?\ \!:!;) {lAC£ BODV ®ON PLATt@ liND ff!NC£
WTH PIN ®. IN5EQT BALL @AND SPO!NG
(J). INSTALL &'QEW @. SCQ£WIIvG !r WWN UNTIL Boov ([) PASSE5 Ovm IT FI2££LV.
@ ATTACH AsSEMBILD PLATE: @ To BuTT STecK ([) W; rH Two SCQ£WS @ AND @.
------- FIG 2
~-l
\
~---eN)
~AQ -JO -M!6)!8A2-A._)5EM-9~~7)]
BASE SHOP DATA-Issue OF .J-S-4.5-S J o/fLL ~ ti?.M~ Rl LE, AUTO. AS5£M8L!NG
SHEET
CAL. 30 /0 BROWNING AA 1918 A]. OF 20
ASSEMBLY Of BOLT GROUP rD © = ~
[XTRACTOR@As SHOWN. INS[RT [XTRAcroR INTO BOLT ©. L1rT Our ~ 0
So LUG ON EXTRACTOR CAN SEAT IN BOLT. PLACE LIN!{@ IN POSITION AND PUSH PIN©. INSERT fiRING PtN 0.
FIG I
INSTALLATION Of BOLT GR.OUP. BOLT GUID£ AND CHANG£ L[I/[R STOP
@INSERT BOLT GUIDE® IN HousiNG. SLIDE LoNG END Or SPRING@ IN Hoa foR SAM[. INSIDE Or RECEIVER. PRESSING AGAINST OUTSIDE Or BOLT GUIDE @ AND USING SCRLWDRIVLR ON SPRING@. (ORC£ TH£ SMALL [NO Or SPRING@) IN ITS 5£AT./N BoL r GuiDE®.
@INSERT CHANG£ L£v£R STOP(.]) As SHOWN WiTH A SHARP INSTRUMENT; PRESS SPRING@ AGAINST WALL Or R£CUV£R UNTIL RETAINING PtN ©~ WHEN INSERTED, WILL HeLD SPRING IN POSITION.
f/G2
@PLACE BoLT GROUP@INTO RECOVER AT Til£ R£AR. PR£SS Our ON BOLT GuiDE® ALLOWING 80L T GROUP@ To DROP INTO BoTTOM OF RECEIVER. SLID£ BOLT GROUP@ foRWARD
~ R-30· M/9/8A2:/J SSlM~
BAS£ SHOP DATA-ISSUE OF 3-S:-'IJ -.>
m:ii~~~ A ssEMeuN·-c-------.--1 SHE;; J Mt9tBA2 J _ or2n
TooL Dw6.No. ASS[MBLV OF SLID£ AND OPFRA TING HANDLE A77201
~ - - --~{D~y --- - ~ fiJ /LJ/ , I~ e ---- -- -- ~ tr< L I ~ ~ :c ·, · - -- - ·- .:- -:.:__ - --. ~d----------Im v
@TRY P1sr~@. fiG!, IN THUf.!NG CAGE® OPEN [No Or GAG£ HAs 0494'1NCH 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 © ._._ --~ \[) Two CONPL£TE R£VOLt;TIONS AND TAP IN C 'Jntl ~® ~2 ~
@INSERT SPRING(()IN OPERATING HANDLE©, F1G.2. WITH COUNTERSUNK SID£ Or HoLE UPWARD, INSERT PLUNGER@ DEPRESSING SPRING([) UNTIL PtN Q) CAN 8£ INSERTED
INSTAL LA [jf)Jj_ OF OP£RA TING HANDL[ SLIDE AND HAMMER
®SLID£ OPERATING HANDLE©, FIG 3, INTO RECDV[R To FORWARD PoSITION INSERT
---.....
SL!Df@ FRON fRONT Or RECEIVER, SLIDING IT To REAR. SUD£ HAI'?NER (!)INTO
SUD£ @. PULL SUD£ @ FCJ9WARD AND ALIGN HOLES @ IN BOLT LINK ~/! m HOLES
~
IN HAt1f1£R (jj AND HOLE IN REC£/V[R. INSERT PIN @ AND PusH IT IN UNTIL IT CLEARS TH£ WALL OF
RECEIVER.
[/GJ IBAR-30-M!318A2-ASS£M-11~
.5MA L L AOMS k?lrLt~ AUTO. CAL. u O
BASE SHOP DATA -IssuE Q:- J-j-:. 4J -.J
StiEET
12 I f3ROWNING I I OF ,_)0 _ Mt9f8A 2 . .
A55[MBLINC f5/\ A55[Mf3LV Of T!JIGGfQ CUAOD GQOUP ~N5EPT CttANGf LtVtQ (4). PLAC£ . M -~~:: ·'---({)
UtANa LtVEP 5PR!NG @IN 5LOT5 . _ _____(G) IN CUA~D ©ANDP05tt 5POING =-==-~----~ -fOPWAQD. PLAC[ .5PQ/NG @ ON ~[ ~- ·- - .. 5tAQ CAQf)lfQ ({) AND PLACE U IN CUAOD © UNTIL HELD BY ---==- -~ SP~!NG ®. INSE{)T LfV[Q (f) ~~C) .... ~ INTO 5tAQ ©As INDICATED ~ 1~- _,. J ~-___(/) (!j liND PLACE 5tAQ @ ON fLr & - ~~ (AQ{){EQ (f). , , ' D ·~--=-., _J..--.,,?"
I~~ I~~ -~~~·= Oli-~-."J- - · . .... .. . . s
®@@-
P~f55 CAQQI[Q{OQWAQDANDINSTALL PIN (/J). INSTALL TQICGEQ (J) W!Tti PIN@ . .5ET CONNECTOR([) ON TQ!GGEQ As INDICATED [NGAGf JIDE.5 Of 5tAR 5PQING @ INTO SLOTS IN GUARD AND PQf5~ fORwAQD AND fXJWN.
® .5LIDE MAGAZINE /:
BASE SHOP DATA-I-ssuE OF .J-j--43 -S.
AS.5EM8LING SHEET
;~ 0
CF /0
IN.5TALLAT/()N nF ,)f'fy'ING, GUIDE AND TRIGGER GUARD GIT.'JUP
®MEA5/JRE 3PRII/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.
~~~Q-M.a!f.A~ A'~S£M-i3Tzo)j
BASE S HOP D/ITA-!s::-uE OF 3 -j-- 4J ~
~~~rf Jou~a A c ( c A j R I I 1\ I r, J~HEIE4T --6k ·J WMNG I,._) ,)L I VIUL II v u MI'J id~- ~--- --·· _ ___ ~f. -!U
AS5EMBLV OF FOI2EAI2M AND TUBE
@---i ~
11 (1 /11 ~•-~ ' '1 '''''' II
~ ~
®PLACE F012EAPM @ON TUBE@4NU HOLD WITH Two !X:I2£W3()AND(/)).
PLACE 812ACK£T®0N TUBE@ NEXT 70 F012£AI2Mil!J. ATTACH .5W!VEL V
~ WITH SCQEW (i).
- TooL Dwr:.No. (G_') A 7 72 o:'O-(fl) II kK) TooL Dw&.No. r ~ @ '---· C64145
!1 ~ '~-' Fie/ OJ~0
® INSERT PLUG GAGE@ INTO CVLINDEQQ). IF PLUG ENT£125 CVLIND£12, THE CVUNDE/2 I:J 0VE051ZE AND SHOULD 8£ f2EPLA CED. 5CQ£W C~L!NDEQ(JJ INTO TuBE@ WITH COMBINATION lOnL (f9 UNTIL S!iOULDEP OF GA S CVLINDEQ
IS ABOUT ONE TiJ!)N FIXJM COOOESPONDING 5HOULDEQ OF THE GA5 CVLINDEQ I
TUBE. LOCK CVUNDEP (/) IN Pas; T/ON WITH LOCK ({;';.
---"'""'":f;___ (0) t •"·~r· --=-- - ---- .... -I .~ ' - --- - · - --- I) ~- - -- ~ ~ - . c--- - '-~
-~ t"'-- CP) (IJ) ~-=. -~~-- J _· ~-~~- ~- ,___ --~~~ _ _:: __ _::~~-"--~--~=-~-~~ -~· ··-___ , '
· \-~ ,I
.o. _j ~ ---.AJ ~ FIG. 2 (M'l · (5) -
rn IN.STALLA TION OF GAS CVLINDE/2 A55EMBLV ~LOCK THE G'uNBV PETOAC-TING 0PEI2ATING HANDL£@-AND QETUQNING IT To
FOOWAI2D Po51TION. .5UDE GA.S CVLINDE/2 A.S:JEMBLv @ OvEP PISTON I?oa@Bu/llJ SUI2E MALE 812ACKET @ ENGAGES FEMALE 812ACK£T ® IN5FPT P;N r!;) AND TuON
jpp;f-.KJ(J)I00°COUNTE/2-CLOCKWI5£ UNTIL IT 1.5 5 £ATED IN DECE! l c.-0. ) RAR . )·~_) M/.91(.'1!1 Z !1 ):J[/V/.-I.f72oj/
BASE SHOP DATA-Issue OF 3-5-4J -> ~----:---r---
oMALL A0M.5 -- -- --- -·--·-.si ln ,
I LEAUTO .JO WNING 8 A2
A~'SEMBL/NG I 15
F/l~ I
[ ~~ ~; ASS£MfJLY OF QEAQ SIGHT
til ,-----v_y "
'i::Jj; ~@ {!_}a Sun: @FIG./. IN Po:o!TICN IN LEJF@ ~ ~ IJND SC.Q£W [L[VAT/NG SCP£W ()INTO LEAF@ . . ·--~. 5£CUQ£ El.LVATING SCQEW © WITH PIN @
Doop SPQING AND PLUNGEQ (f) INTO HOLE([)
AND PLACE KNOB @ ON UEVATING S:'Q£W © ALIGN TH£ Two HoLES AND TAP P;N ® INTO
~OSITION.
@IF A NEW ELEVATING SU?EW ©Is Usm, IT WiLL & N£C£SSAQV TO PLACF Ass£MI:!LfD LEAr Q), FIG. 2, IN
fiXTUQ£ ® AND DRILL .4 f/OL[ IN ELEVATING SCQ£W©
To ACCOMMODATE PIN @
@ SECUIX WiNDAGE SCALE([). Fia J 7iJ BASE@ WiTH Two ScQ£WS @). . @
[NGAG[ 5PQING @ IN THt r "' IN TO AJS!TION WITH A ~= ~ ,
OF20
SLOT IN BASE WJ AND lAP ~ ?:~l . ?.)
DQIFT AND A tiAM~[Q. ~ f ": .. , :- ,' '
~l ·', ~-· 1--® -~
-~>~ . ~') ·rooLDwa.No. FiGJ " ·--.....'"-
,_ 90B9tJI -..., ""' ' '-'-r- ...J
j8A..Q-30-M !9184Z43sEM-!XcoJ
J.M-!11. t. A6!M~ f<lrL~ AUTO ~L . 30 .
OWNIMJ Mff!f8A2.
_j_S
BASE SHOP DATA-Issut OF 3-s- 43 -d SHEET
ASSEM!3LIN G 16 OF 20
------
m ASSEMBLY Of QEAQ SIG!tT (CONTDJ \ft:!JPLAC[ LtAf AS5fMBLV CA) ON BA5f @) (IG 1.
0) tiOLD TttE LtAf@ IN CO~QfCT ALIGNMENT W!Ttt
!3A5E ®AND 5c.QtW IN W!NDAGt Sct<tw ©.
®PLAG[ 5PQIII:J A ND PL UNC[Q @ IN Po:5!TION
IN HoLt CD Or KN08 0 PLACf KNOB 0 ON WINDAGE XQfW ©. ALIGN THt HOLES IN KNOB ({)ANn V0ND4Gf SCI~fW@ -5o PIN@ CAN BE lAPPED INTO PLACE. &
.fl{zL \E
@f 4 Ntw 111NDA6l Xmw © /5 Usm A Hot_[ MusT 8t Dt<ILLED IN TttE WINDAGE ScRtw To AccoNAmTl THE PtN @.
@PLACE Q[AQ .5!GttT @, ftG. 2, IN PastTION IN f!XTUQt Q)As ILLUSTQATfD. PULL LtVfR @ AROUND To Tttt f<!GttT To.5tcuRt.
'
t--® --I F/6.2
.....__
ASSEMBLV Of RfAf) 5/GHT TO GUN
®r/'Kj.46[ RrA~<StGHr ®, ftuJ, INro KcvwAv ([)ON t:JcawrQ ® TAP f:JcAQ Stew WIT/1 A HAMME{) AND A BRAss fLATTfQ UNTIL Corx~tcr ALIGNMENT Is AcoutQED,
PcRMITT.If.KJ 5ck>EW@) To BE XJ;£WfD THROUGH .5tGHT ®INTO QrcnvEQ @.
D.G.&. ~4R~O-Mt.~/842-A5 5[M·Itr/~ B .A.R . Mll11a"4
8A5E SHOP DATA -IssuE OF 3-s--4 J b MALL ARM·S---.--- ···· --· - - -·- --
QIFLE,AUTQ I AJ5EMBLING -Tmc/1-] CAL. 30 : BROWNING ' M!918'A2
.___.=......=..___:._ __ ~---------- --------- -~ OF20
.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 .5CREW ({)_ 1, '-)ECUQING LEG@ IN PLACE.
·~ .
((/_ 9) 4-ACE TUBE @IN Po51TION IN 8DDV ([) AND OECUQE IMTH 5CwEW (().
\
\ ..__ .I
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.
!8AR:.Jo·M!9/c5 Az A 15EM t7rmJ - ··- --
f3A:J'E 5HOP DATA-IssuE OF .J-j--43->
i~al . _______________________ _ --- --IsHL/S . -·-- ~i)-
AJ5EM8L/NC
D. G:& (JAR. 1916111..
A55EMB_LY_ _. QF STOCK PEST
® ALIGN HOLE @ IN 5TEM i[fJ AND HOLE © IN NuT lfJl AND TAD OtN (f) INTO PLACE.
5CPEW LOCK([) ONTO LEG
({!), ANu ,)CQEW NuT (f)) ONTO LEG@.
/b'AR.JO V119k5A2-A '(i[!ii~~uJ/
BASE SHOP DATA-ISSUE OF 3-s-- -43-J
~~----~~-lJ....-~71---r6· - · ~- --ASSEMft!M_G __ ____,I-SH_7_9-----,I MlqtBAZ _ OF 20 _
________ !__
F;c I
® INSEQT THE FOLLOWEQ@ INTO TubE@ 0JMOOES5 5PQING (Q AGAINST FOLLOWEQ AND 5UD£ 8ASE (/))INTO
BoTTOM OF TuBE @_
f~
fd!FLE, Mlqld A2
F!G2
IN5TAL.L/1TION OF 5TOCK [)(.5T AND MAGA7!NE
(jf)INJE&T 0 TOCK fdEsT I[) INllJ Busr11NG IN5TOCK ({).
((/!\ fi.,, Q5uDE MAGAZINE \(i; II ITO DOTTOM OF
ldEcE!VEid, As ,')HOWN.
~Q-30-M/4 I BAi A5.5E M-19(.:-uJI
BAS£ 5HOP DATA-15SUE 0F-!3MAR4+B*-
~'7PJt7-b ASSEMf1 ~~ ~~ .r'[[)a -~ BIXJWNING 'L)!_ f vu [_ ,\1/')1 ·~ A 2 _ _ ___ _ _!__,r c..e
TOOLS !;fOUIIXD TOOL DWG NO j/-/Ef T 0/)[Q. D[T.
909180 1 ' B 909/79 I I D
f-'Jft JJ6B-40 2 5 A240! 3 6 c
r-f;J/19A s II 8 C7719G 5 12 G :Z_z 719 tvT. 5 fiC I .908977 7 14 A
·.cc4trf.5 -8 "19 fl -
_::_ 111, ; ( ' t !I )8 B _,lJ(7204 14 38 /-1
({, 4 t-1 ') 14 38 If I-_9Qf3'J8! !5 41 K
908979 16 16 J 41-C.Z5Li2 95 '----'- - -- z 4 -
\o4Q~Cfi11tT9/8Al ~.J~~:~,t-~1@
fJFPLA C£(; .JHEE.. rZO, B.tD UNIT NC',:_')S5Uf Or 3 .. C: · . :_ -,
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
I.I.D. II.
Tool Drawlngs ................................... 3
A 77 Z.OI
REVISIONS MARKING :-.308,\R M'~.: M•I8A2 8:.30 aM.R.M.22 C-~73 SA:a PISTON COMPONENT I GAGE
ORG. NO. I DATE I DATE R~TION Rll'iC FDff GAS PISTON FIELD SERVICE.)
I A 7ZOI ORO. DEPT. u . s. A. !C-,073_14-1§ -3~~9-14-.36
t\1 <:) <:)
~ I STAMP MARKING
STAMP:- NOT GO 494
PLAIN RING GAGE AMERICAN ~AGE OE.SIGN STANDARD
HARDEN TD F?DCKWELL SCALE C '3 MIN
LAP I, SURFACES REM6V'E ALL SHARP EDGES ..:/.:fA-
SUPE.R0::0E5 OLD TRACING 5A-S8fJD UNDER REVISION DATE OF SEPT. \4. 1938.
- · · - ·· - ·1 I
DRG. PERTAINS TO ·-- - --8 1130COZ. GAGE LISTS
--- ···--· --- I - . · ·· - . I
SYMBOL
~TSMA ~r~ER
ff.~ . t~C . CHECKER CH£CKER
/?~
~ITTEOC.s~
CAPr. OR D OEPT u . s. A.
APPROVED ·
~~~ ~,. L-~ ~ .
L T COL~ORD OlE PT. U S , A
SPRINGFIELD ARMORY
DATE SEPT. 1-4, ''38.
A 7720-r
Al720+
M~RKING7- REVISIONS B G. AUTO. Rf\..E C~.30MI9~ C-64296 GAS s1b'HINDER REJE PLUG COMPONENT GAGi FOR DIA..OF PI HCl.E (FlfLD SERVICE)
DRG. 1'0. DAT£ DATE A 712.04- .) OltDt DEPT. "" .... l"SP
C6429' 1~-t"-40 '-tS-41
N 0 0 0
+ STAMP MARKING 0
\ ~ HARO\N 0
l(l
DRG. PERTAINS TO ~ ~---·a I
, } 81130,2.-1 &AGE UST~
- - I - I '"\ - - \
' 'll..t I , .r.. ,_.. ---;1 ~ /'J D'FTSMAH ~ti~ ~0'60'1'"T'.»\M
tP.t~-· tf. ~.
Ft£CKC" CH(~ ~,~~ Rd;f3
STAMP:- NOT GO.~ sR:~·~ S.E. PLAIN PLUG GAGE
CAP't O"D. KP't U.U. A'&ovn;- ey «HlD" ota ntr
AMERICAN GAGE DESIGN STANDARD rr( ~i~~ USE GO STD. BLANK
~ M A ,J., 0"0 . . DEfT. U.l..\.
ROCKWELL HARDNESS C'3 TO 66 SPRINGFIELD ARMORY NOT TO SCALE DATE MAY 28, 1941 LAP fJ SURFACES A REMOVE ALL SHARP EDGES 33 A 77204
-- ~- -- -- -
-H, .~n " EN40 TAP ta-- o / I~ :b~,;-~ ~-· -~-01.<'~' ~ .. ,k ; I _ . '" "', ~~~=:t:t;~;i!~~j F11AMC · AI5l7l' ~,:;o~-~ '.,). /~'. :? , ~CREW . 8~~XIE!B n• \< V -..,~ ..-.
HOLDER ·Al5l7l'l \_ ~~ TU&-AISZ7l.O, I M -?'y_ 1
,.. • ' • r ~ P'T.,t.CT~R.~,sz. 7z.;.,__-t---l -....,r----''--J;~:::;,::=_~-"';--·JJ-- '•t'.- HOLDER M~%'~~w~~~~·' r.
• • -~- j MUFA<:T\JIIONO t<lM!'QoiO< L...MI_f! .. R..JO'-R---.. -~5-Z_7_l5 I n:"; ' ~F .. rR .. ME·A15l7Z7 2& ~>-Go ' . ._
PLA'l"E·AI5Z7 ~n• <;
EH--30+ ' ~ - __ ; J-~ it" -- _ ,· I 1\ '~-+4 -C. I
'J,;_
REFLECTOR ~RREL CAL. 30 e'""'oo'
____ .,... __ • ...-• ., .. ~.LUtmu-.--. ---~ --6.L!.ll(!_-~
1---,.._.., -c- rrroF. LOWER FRAME. BARR~'~'~ ""• (3_15lnlj,.,._
.l.TLU.. CCIMPIOIC,_T~-t:T I Of"2.. HAN'Jf:',II(..TURIK4 ---::-__
_,! I -~-- -- -
------. 'E!Ih. ~IIID'f- U..5. -"-"
-- U1' ,..
rp ffi1 ._...... - -tU-
_,,- . - , : ;z'/@7DZUP4 ~~£·~~"•!">.. ,J' · ·i ~~~ o _ :o~J \ '>,_.JC: •·-·
Q) V!~:','F ==~:; )h - i
r 11311001 1 ... bi:l.lf.
-........ 8311001
·-
~.=---.:......- -- ..,,,. . l I '" "" "'''8 t:-1 \ .
~ '
,_ ..,...,...
LO ---4
~ ... __.. .
'*' .an..-m
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TUBE EARFiEL REFLECTOR (F: ;<n• -• ~-f.£ 1. T1.1e111<:. • \'. tiiC' - , .& "! .,;.
M~...,_...,,,_ C,T ufl. o i\C. (.I}M~N!kf
!.~!h•<;C-1 n, -tt L11 : t '""~ 1- ~ -l
F fiAME eARRE F~= E'-@uc;:;:F !.TEE I.. ·wt:o ~ A /5!..1£.)·1
MAJr,IJrA~T"\..IIo i!N :Of'o4PC. !o!:NT
-.:
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· ,/r'-, ' · I ! I . , ;--.,. \ • . "\ ll " .. /
1'.
~
SIL.Wit T"'~ S.t£.
OI r .~ . 1
--------. s·. --- ··~ · - 1;" .. -
=~ -111': lLT!! k-"' r- . .. '-18--. . . .._ · .. IV11FiRJR BARREL Ft:FL;::TCR
OL._., 61S~1lS ~ .HA S~IJ L Of ~ ·v;i!~:;:-:~ .
'"" ~ f111478olaso! ~DUT. U.I.A..!
•6 -~~• -.1 rw >IDJ1S
D ·..!.r4'-;l - ,1!,,...,-~.!Uf<•c
I . ~ •'/J¥ b;l ,,, r- ':!- -/•~ :..;;5) I c:=· -$ 1 I ~ · -~
T' I 7~ ._ 1 +- -i" I tf; .... I - - i'/ .,
/ \. - 'f • I
0 <.v 0 0 0 ® 0 '" , l ...- "~'' · -- - - _, ~ // , .. ,..HIIIIC· I .--..;-,_1,_ 0 1~o'p ~ ~os_ Jr. " __ _
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