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|  MIL-R-63997B(AR)
REQUIRE-
SAMPLING
INSP.
DEFECT
DEFECT
PROCEDURE
MENT
METHOD
NO.
100%
3.7
Visual
Pits or erosion
47.
Bolt.
of cartridge seat.
*
Improper chamfer on feed
lugs l
100%
3.6
Visual
Missing proof
48.
Bolt.
marks for magnetic
particle and-proof
firing inspection.
100%
3.3.4.4
Manual
Missing swagged
49.
Bolt.
operation on cam pin hole
permitting improper assem-
bly of bolt into bolt
carrier.
100%
Visual
3.3.4.1
Failure of key to
Key.
50.
be properly seated on bolt
carrier or improper staking
of bolt carrier key screws.
100%
3.7
Visual
Burrs,
cracks
or
51. K e y .
mutilation
100%
3.7
Visual
Burrs,
52. B o l t C a r r i e r .
cracks or mutilation
(Particular attention
should be given to bolt
Improper
cam area.)
serrations.
R e a s s e m b l e : Bolt and
Carrier Group with Cam
Pin Orientation
Reverse 180
100%
3.3.4,2
Manual
Failure of
Firinq Pin.
53.
and
and
firing pin to move
3.3.4.4.3
Visual
freely when assembled
to the bolt and bolt
carrier.
21
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