The Best Samples of Modern Machine Guns of the World (Extended edition): History of the Firearms by Francis W. Brown

Author:Francis W. Brown [Brown, Francis W.]
Language: eng
Format: azw3
Published: 2020-09-14T16:00:00+00:00

The two-stage feeding system, whose scheme was borrowed from the German machine gun MG42, ensures uniform ribbon advancement during the movement of the bolt in both directions. On the frame of the bolt on top there is a spring-loaded roller, which is included in the figured groove of the receiver lid. In its rear part there is a hinge, and the front is connected to a short lever. This lever swings in such a way that when one shoulder moves to the axis of the trunk, the other leaves the groove. On one shoulder there is an internal finger of the feeder, two external on the other. Thus, during the forward movement of the bolt, the roller entered the straight section of the groove, after gripping the cartridge, passes into the curved part, shifting to the right and tilting the lever to the left. At the same time, the internal thumb of the feeder captures the cartridge, while the outer ones push it relative to the longitudinal axis of the machine gun forward half the length. While the shutter is moving backwards, the roller turns to the left along the slot. The lever goes to the right in such a way that the inner finger advances the tape by half a step. In this case, the first cartridge stops at the lock, ready to be sent. The next cartridge is hooked by the outer fingers.

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