The forward assist
Forward assist assembly.
assembly shall operate through its full range of travel without
When depressed and released, it shall return under
spring action to a fully outward position with the pawl completely
disengaged from the bolt carrier.
Depressing and releasing the
forward assist shall cause progressive movement of the bolt
carrier assembly into the battery position.
The compensator shall be fastened
securely to the barrel in accordance with the applicable drawings.
The front sling swivel shall
Front slinq swivel.
securely retained to the front sight assembly by the rivet and
shall pivot freely through its full range of travel.
c a r r i e r group.
The bolt carrier and
Key and bolt carrier assembly.
key assembly shall move through i t s f u l l r a n g e o f t r a v e l w i t h o u t
The carrier key shall engage the
binding in the upper receiver.
gas tube freely when the bolt carrier moves in the forward
The bolt carrier key screws shall be torqued and staked
in accordance with the applicable drawings.
The firing pin shall be retained in the
bolt and bolt carrier assembly by the retaining pin.
pin shall move freely through-its full range of travel in the bolt
The firing pin protrusion shall be a maximum of
The chromium plating of
.036 inches and a minimum .028 inches.
the fixing pin shall be free of nodules, flaking, stripping, anode
burns and evidence of etched base steel, except as specified on
the applicable drawing.
The charging handle shall move
freely through its full range of travel in the upper receiver.
When the charging handle is placed in the forward position it
shall engage and lock securely in the upper receiver-
The bolt assembly shall be retained
in the bolt
carrier by the bolt cam pin and shall move through its
o f t r a v e l .- T h e c a m p i n h o l e s h a l l b e s w a g e d i n
with the applicable drawings to prevent improper
the bolt cam pin in the bolt assembly.
The extractor shall be retained in the
The extractor shall move through its
bolt bv the extractor Pin.
full range of travel under spring action without binding in the
bolt and shall be capable of engaging and extracting cartridge
cases from the barrel chamber when the rifle is function fired or