AUTOMATIC GUN Russian patent published in 2010 - IPC F41C7/00 F41A19/06 F41A17/30 

FIELD: weapons.

SUBSTANCE: invention relates to small arms and represents an automatic gun that comprises barrel, breech box with bolt, hammer with spring, trigger with spring, automatic fire sear with spring, single fire sear with spring, firing lever with spring, shots counter with spring and safety lock and four-position fire selector: "safe", "single fire", "limited burst" and "burst". In "single fire", fire selector moves trigger lever and automatic fire sear out of engagement with firing lever, breech frame and trigger. Single fire sear stays in contact with trigger, breech frame and cock. Note here that shots counter is set into position whereat one of its ledges stays in contact with single fire sear. All ledges of shots counter stay in contact with single fire sear when in "limited burst" position. In "automatic fire" position, fire selector moves single fire sear and shots counter out of contact with cock, trigger and breech frame, while trigger lever interacts with breech frame in its counter recoiling between locking the bolt and coming into breech frame extreme front position, with single fire sear after breech frame comes into extreme front position and with cock after it comes off the sear.

EFFECT: higher efficiency of fire.

1 dwg