SELF-OPERATED FIRE WEAPON WITH THE RECOIL OF THE FIXED DATUM FORCE FORM Russian patent published in 2017 - IPC F41C7/00 F41C3/00 F41A21/00 

FIELD: weaponry and ammunition supplies.

SUBSTANCE: weapon maintains a firing mechanism housing, a bolt carrier with a breechblock, a self-operating recharge system, an ammunition supply mechanism, a trigger and firing mechanism, aiming devices, a stock, a barrel assembly, a spring internia. A spring internia is fixed between a barrel assembly and a firing mechanism housing. A barrel assembly is slidable along a figure axis. A spring internia messages the impulse to barrel assembly at acceleration between its back and forward positions. This impulse is equal to a half of an obtainable by the barrel assembly on firing impulse. A barrel catch in a back position. The catch manipulation is effected by a trigger bow.

EFFECT: weapon shaking decrease, bullets scattering decrease.

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