MUZZLE BRAKE COMPENSATOR Russian patent published in 2021 - IPC F41A21/00 

FIELD: weapons.

SUBSTANCE: muzzle brake compensator comprises a body with an area for attachment to the barrel, a flat nozzle with confusor and diffuser parts, upper and lower channels, windows in the walls of the diffuser part of the nozzle, a chute in the central part of the nozzle walls, bosses of the body with windows. The central longitudinal plane passes through the upper channel of the nozzle and declines by 30 degrees to the left relative to the direction of the shot and forms an angular nozzle with the lower channel. The ratio of the area of the normal section of the upper channel to the area of the normal section of the bore equals 0.65 and is constant for the diffuser part of the nozzle. The ratio of the areas of the normal sections of the lower and upper channels in the diffuser part equals 1:0.7 and is constant for the diffuser part of the nozzle. The length of the confusor in weapon calibers equals 2.03, the length of the diffuser in weapon calibers equals 5.04, the length of the inner windows in the diffuser part equals 2.3 weapon calibers, the width of the inner windows equals 0.74 weapon calibers, the length of the outer windows in the bosses of the body equals 3.02 weapon calibers, the height of the outer windows equals 1.31 weapon calibers.

EFFECT: increase in the pulse of the propelling force of powder gases in the aftereffect period, stabilisation of the barrel position when firing in bursts, limited negative effect of gases on the shooter or the crew.

1 cl, 22 dwg