The Machine Gun Lba
Figure 5-35. Cam Follower on Barrel Extension Rotates Feed Sprocket.
barrel extension
Figure 5-35. Cam Follower on Barrel Extension Rotates Feed Sprocket.
rammer pushes cartridges out of the belt into the sprocket push thru type belt sprocket rotating cam feed sprocket sprocket anti-reverse ratchet cam follower on the extension rotates the sprocket during recoil
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