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|  MIL-S-63348A(AR)
4.5.2.2.3 Classification of defects.
DEFECT
INSP
REQUIRE-
NO.
DEFECT
METHOD
MENT
MAJOR
MINOR
Lower receiver, pistol
grip, and stock assembly
group:
1
Lower receiver. Failure of
Manual
x
3.3.1
upper receiver to hinge
without binding on the
pivot pin when takedown pin
is withdrawn to the stop
position.
2.
Manual
Lower receiver. Failure of
x
3.3.1
lower
to
readily
disassemble from upper
receiver when pivot pin is
withdrawn to the stop position.
Pivot pin and takedown pin.
3.
x
Manual
3.3.1
Failure to move through
their full range of travel
without binding and be retained
in their extreme in-and-out
position by the detents.
4.
Sear group. Burrs, cracks,
Visual
x
3.7
or mutilation of bolt
carrier contact for the
sear.
x
5.
Sear qroup. Mutilation,
Visual
3.7
distortion, or improper
assembly of sear spring.
x
6.
Sear group. Failure
Manual
3.3.2
of sear group to return
to rest position under
spring action.
16
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