AUTOMATIC GUN Russian patent published in 2010 - IPC F41C3/00 F41A19/00 

FIELD: weapons and ammunition.

SUBSTANCE: automatic gun comprises barrel, breech box, return spring, breech block with bolt, handle, single-shot fire sear, trigger, thumb trigger, automatic fire sear, trigger retarder and safety lever. Trigger represents a part with five ledges. One of the latter can pass through cutout made in handle rear end behind its rear edge. Second ledge can pass beyond trigger front edge. Third ledge can contact with sing-shot or automatic fire seams. Fourth can come in contact with breech frame with bolt locked. Fifth ledge came cone in contact with trigger when thumb trigger released. Note here that all five ledges, sear, trigger, thumb trigger and breech frame can be locked by trigger retarder when thumb trigger is in front position.

EFFECT: higher safety.

1 dwg