FIREARMS Russian patent published in 2022 - IPC F41A21/48 

FIELD: weaponry.

SUBSTANCE: firearm contains a receiver, a barrel with a breech, a gas chamber with a gas tube, a stock, a barrel attachment unit. The receiver is made of a two-chamber hollow profile with two chambers - upper and lower. Along the entire length of the receiver from its end to the butt, stiffening ribs are made, two of which are located on the side surfaces of the receiver, and the other two - in the lower and upper parts of the receiver. The barrel mount is made in the form of flanges with holes. The gas tube is located in the upper chamber of the receiver, and the barrel in the lower chamber of the receiver.

EFFECT: increasing the rigidity of the attachment of the barrel to the receiver, reducing dispersion and increasing the accuracy of fire.

5 cl, 6 dwg