FIELD: weapons and ammunition.
SUBSTANCE: invention relates to locking mechanisms of small arms. Gate frame consists of base, guide plate and shaped case. Rotary bolt includes a gate, an ejector, an ejector spring, an ejector axis and a striker with a pin. On the bolt there are two warheads and a driving ledge. Driving protrusion interacts with the screw surface in the base of the breech frame. Combat stops and driving ledge are inscribed in one diameter.
EFFECT: improved manufacturability and reduced dimensions of gate structure of the locking mechanism.
5 cl, 6 dwg
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