184.108.40.206.10.4 Firing pin.
( a ) Visually and manually examine the firing pinto determine
c o m p l i a n c e with 220.127.116.11.
( b ) Disassemble firing pin from the bolt and visually examine
t h e firing pin to assure freedom from pits, burs, and mutilations on the
( c ) Visually examine the firing pinto assure chrome plating
is in accordance with 18.104.22.168 (see Drawing D11686413) then reassemble
firing pin to the bolt.
4 . 4 . 2 . 2 . 1 1 Handguard assembly.
(a) Visually and manually examine the handguard assembly to
d e t e r m i n e compliance with 3.3.10.
(b) Visually examine the handguard assembly to assure freedom
f r o m cracks, burs, and mutilations.
4 . 4 . 2 . 2 . 1 2 Operating rod guide. V i s u a l l y examine the operating
rod guide to determine compliance with 3.3.12.
4 . 4 . 2 . 2 . 1 3 Receiver assembly. V i s u a l l y examine the receiver
assembly to assure presence of proof and magnetic particle inspection
m a r k s and that the identification markings and windage graduations are
clear and legible (see Drawing F7790189).
4 . 4 . 2 . 2 . 1 4 Cartridge clip guide. Visually and manually examine
t h e c a r t r i d g e clip guide to assure secure retention to the receiver by
t h e s p r i n g pin (see 22.214.171.124).
4 . 4 . 2 . 2 . 1 5 Connector locking pin. Visually and manually examine
t h e c o n n e c t o r locking pin to determine compliance with 126.96.36.199.
4 . 4 . 2 . 2 . 1 6 S e l e c t o r . Visually and manually examine the selector
t o determine compliance with 3.3.14.
4 . 4 . 2 . 2 . 1 6 . 1 S e l e c t o r s h a f t l o c k . Visually and manually examine
to assure secure assembly of selector shaft, sear release and selector
s h a f t lock to the receiver (see 3.3.15).
4 . 4 . 2 . 2 . 1 7 Rear sight assembly. Visually and manually examine the
r e a r sight assembly to determine compliance with 188.8.131.52.