GUN STOCK Russian patent published in 2012 - IPC F41C23/16 F41C27/00 

FIELD: weapons and ammunition.

SUBSTANCE: gun comprises a spring return mechanism for a movable firing unit and a guide stock as a mount for the latter. On a guide stock there are two gun handles for fire control installed in front of a lower box-shaped magazine, which is stable in process of firing, and a lengthy neck of a lower window serving for ejection of cartridge cases. A stock for a movable firing unit equipped with an intermediate magazine with an internal lever cartridge feeder comprises a metal component based on a profiled carrier lengthy element and polymer components. Polymer components are made in the form of an upper longitudinal cover of a weapon that carries parallel recoil buffer of the firing unit and a return mechanism of a bolt support with a reloading handle, which is fixed in process of firing, under a longitudinal safety bracket. A protective neck for the lower longitudinal window and its lower cross links are connected with lower ends of weapon handles having polymer pads.

EFFECT: optimal ratio of strength and weight indices.

6 cl, 3 dwg