Magazine hole detail Feed Ramp Slot
f- 1 , 3 8 5" --+i
t----.
Image Not To Scale
t --~ 1799" "995 " _.L.,l______......._-+-.()':::.1700 l
-T"'""""-~--
.989"
Diameter Front
RIGHT SIDE VIEW FoR EJECTION PoRT LAYOUT
I
4.73
I
Front Handguard Post Not Measured
In Thisl Diagram
8.738 6.743 6.725
113.468 4 .03
Mott~I·B Stant C~t·O~t ID~ptn~ o,o~O·Incn~s
R~~t Sct~W Attj~Stlll~ftt Hoi~ Mott~l·l Stant o,aaO·Incn~s
Fot
(
.
Mott~I·B Stant C~t·O~t H~tant~ 0,400•1ftCft~3
~!lll'il!~""•n t9<~:<~&tloo~ :jj,l~Q·II'I<~:I>i~~ ''om lll<~&
~~~:~(qm !k.ll'i:l IW!I~
~ 0-.ll~l%\~
'Mm!JI
ft'illNI!I.IIli ~ !Mt~
1l'9~~m'il!a 1MIR~it~
GROUP INDUSTRIES (RECEIUER) MILLING INSTRUCTIONS
page A
R ECEIUER (SIDE UIEW); M ECHRI'oiiCAL DRAWING
Calipers must reach across the recei ver; measured outside from top to bottom. Measure from "both sides", all the way across, if finishing by hand.
The width of the rear
Thewid'tholthefrontsighlea rs
s
variesd~ndingonvariatioosin
bu1oorsmaller. They
theoveralllengtholtheoriginal
:Y,:",.!~~:~~
Glreceiver. Thismayvarywilh· 0Uleii&C1iogtheope
ria l lrom tMi rontolthe
::::. . .:~~=~.~~~~~.~0
rearsur
~;~<~osebeiO
~:~~::, ;~;~:~~~ ~~;
olthe frontsighlbaseshouldline
boii.Oe-bwronly
upw~htheperpendicularfaceol
theutu&edtrapezoidalprotrusoon
jUS! below ttl& rear olthelron1 ~eanoexactlyiOkethediagram l----------------
4
11.11" .050"
10.6 8 0 " - - - - - - - - - - - - - + -
r:325"1 .930"> 1 · - - - - - - - - - 8.225" - - - - - - - - - - - - 1 -
~ ~y-~~~~--------------~~==~~~~~
1.750"
This drawing is not to scale
GROUP I NOUSTR I ES (RECE IUER)
Magazine hole detail
MilLING INSTRUCTIONS
I .8710" _
1 - - - - - - - - - - 8.435"-------------+1
--.-~ 888 " I ~ 0:::--~;780" .985" .1788 I
.702" J_
_.._......:=::.:
r----------7.858""-------...r~ 1.385"~
Otameter"
The magazine hole is approximately the correct size and is usually correctly placed. It will require the removal of from .010 to .015 from the front of the hole before cutting the feed ramp slot. The hole can be increased in size without affecting proper operation of the firearm. The correct placement of the trigger housing lug and feed ramp are important (See assembly Instruction Manual). Use the edge of the ejector hole (not the magazine
.5888"
-
1 - - - - - - - - 6.558"-------+j .2588" 1 - - - - - - - 6 . 3 8 8"'- - - - - - . , . . - - - i
well} to set the location of the ejector slot.
~ 1 - - - - - - 5 .87 5" - - - - - - - - . . . j
~~--
~ 4.838"---~f-1.845''----
.5888"
(Not to scale)
~881!:;
. ., ~·
l -,-0 i 1 .1388 " ~- .sss8" 1.2588" ~ .6388" . 1-;ro.. --1 ~ c:::::::::J ---,-=.guo . If==Tr--r c:::::::::J --+-tf:II_T_____j~!!:::c.~-+---...,-i-FID=l-J-1'-+~-==+i-1++---t-~-:_-_-_-_-_-_'-:__-_--t---J ~ diameter
11:998~ 18 '11
~ .~ 2.278:~-::----1
--
NOTE TO MACHINIST:
=-=-~~8~~ ..
~~~:et~st~~e~e~~!~ 0 ;~~:e::; t - - -
hand guard post hole The ceo·
ter of this hole and the !alltlr..Q1 the ejector hole are D2DllBlb!. correctly located and serve as the reference for the rest of the ma· chining of the receiver. (Not to scale)
~
4.485 "
____ I ~
·~ ~ ~"
------i . 1 788" Diameter
1------ 4.6 6 5" - - - - - 1 1 - - - - - - - 5 .88 5" - - - Y 6.885"-----~1---
1<----------
page B
t--UBS " -j
RECEIUER B OTTOM ; M ECHRNICRL DRAWING
2.885" ~
8.978" 9.4:l8 "
13.468 " - - - - - - - - - - - i
Trunlon & Front Sight Measurements For UZI Model-A & UZI Modei·B Sight Installation (Drilling & Tapping Required)
liJZI Front Sight Dimensions Legend
A: Modei·A lligllt thread pitch: lmm x o.smm. 1). Drill hole WI 7.Smm cobalt drill or 19/84thll inch cobalt drill·bit. 2). Modei·B 11igllt u11e11 !I.Smm or .250 diilmeter drill·bit. 8 : Modei·B anchor r i11er po11t - diameter • 0.18S·inchea. U11e 4.0-4.2mm diameter drill·bit. C: Center of Modei· B ri11er po11t • 0.105 from edge of 11ight brilcket. D: 0.480·inchell - menurement from 11i9ht bruket to center of aight po11t - both Moctei·A and Nlodei•B. 1!: 1.11 S·inchea- overall length of front llight brilcket
f: O.l!OO·inchell - dl11tance from edge of 11ight bracket to center of Modei·B anchor ri11er po11t. G: 0.260-inches - horozontal distance between front sight post and Modei·B anchor riser post.
