LOW-NOISE FIRING DEVICE FOR SMALL ARMS Russian patent published in 2024 - IPC F41A21/30 

FIELD: weapons.

SUBSTANCE: low-noise firing device comprises an expansion chamber, on one side of which there is a connecting element, and on the other – a separator. Separator contains at least two bushings connected in series. Bushing contains external, internal and transverse walls; at that, the internal wall of the bushing is made longer than the external one in the form of a truncated cone, the larger base of which is located on the side of the transverse wall. First bushing of the separator is connected to the expansion chamber on the side of the smaller base of the cone of the inner wall. Holes are made on the transverse wall of the bushing.

EFFECT: higher efficiency of dispersion of powder gases.

7 cl, 2 dwg, 1 tbl