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Page Title: Gun adapter and quick release pin (11699793) and MS (17990-C519).
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MIL-M-45945A
3.3.10.4 Feed  pawl  assembly  (7269120). The feed pawl
assembly shall be retained in the cover housing assembly
(7269118) by the chassis assembly (7269149) and when disengaged
from the feed level assembly (7269119) shall move of its own
The feed pawl assembly
weight through its full range of travel.
shall be capable of feeding linked cartridges into the feed
mechanism.
3.3.11 Gun adapter and quick release pin (11699793) and MS
(17990-C519). The gun adapter shall be securely retained on the
receiver assembly (11686308) by the spring pin (MS16562-151) and
quick release pin. With the quick release pin removed, the gun
adapter shall be capable of being manually rotated throughout its
full range of travel. The quick release pin shall readily
assemble to and disassemble from the receiver assembly and gun
adapter and when assembled shall be retained in position by
action  of  ball  detents.  The  quick  release  pin  shall  be
securely attached to the rear sight base by the cable (8427869-
27) as specified on drawing 11699750.
3.3.12
Operating
rod
assembly
(93625010).
3.3.12.1 Free Operation - operating rod assembly with bolt
assembly. With the cover assembly (7269114) opened, the driving
spring (9362511) and driving spring guide (9362512) disassembled
from the operating rod assembly and the sear (7269209)
disengaged, the operating rod assembly, together with the bolt
assembly (11010357) shall slide from the open to closed position
by its own weight.
3.3.12.2 Normal operation - operatinq rod assembly with
recriver  assembly. The operating rod assembly shall manually
assemble to and disassemble from the slideways of the receiver
assembly
(11686308). The yoke (9362509) and head (7791596) shall
be retained on the tube (7259274) by staked rivets (7269272 and
7269271) respectively) so that there shall be no relative
movement of these parts. The roller (9362506) shall be retained
on the yoke by the yoke roller pin (9362507) and shall rotate
without binding. The yoke roller pin shall be retained securely
by the spring pin (MS51923-105). With the trigger assembly
(11699758) released and the operating rod aSSemblY retracted  into
the cocked position, the sear engagement notch (primary and
secondary, each individually) on the operating rod shall be
engaged by the sear (7269209) and the operating rod assemblY
shall be held in the cocked position (both by primary and
secondary sear notches, each individually) until the trigger
assembly is pulled.
10

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