Recoil And Automatic Feeding

The gases from the burning powder blow the bolt rearward with a new round in its extractors. During recoil, several functions happen almost at once. The new round is extracted and is cammed down on top of the spent case by the vertical cam's curved rail. The spent case with its link still attached is forced out of the bolt fingers and out the bottom of the gun (ejection). The feed slide assembly pulls the round to the right in the receiver's ammunition-feed area, where a new round is now ready to be delinked and extracted (automatic feeding). During the bolt's rearward travel, the cocking lever is pushed forward, which cocks the firing pin. When the bolt reaches the limit of its rearward travel, the recoil springs (23) are completely compressed. Any over-travel is absorbed by the bolt buffers assembly (24) and receiver buffer bodies (25) thus reducing trunnion load (recoil force) at the gun/mount attaching points. If the trigger is still depressed, the bolt sear will not engage the receiver sear and another firing cycle occurs. If the trigger is released, the bolt sear engages the receiver sear, which prevents the bolt from going forward, thus stopping firing.

Gunshot Wounds
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