DIRECT-EXPANSION GAS-DYNAMIC DEVICE Russian patent published in 2019 - IPC F41A21/36 

FIELD: weapons and ammunition.

SUBSTANCE: invention relates to muzzle devices. Said gas-dynamic device is arranged coaxially with barrel and covers holes in barrel muzzle. It comprises body with side openings and baffle faces, body attachment device on barrel, vertical lengthwise walls and ribs. Gas flow is arranged so that it advances projectile and is directed to baffle faces without intermediate dispersion.

EFFECT: reduction of gas pressure at the device outlet, exclusion of negative effect of gases on the shell, increase of the device pulling force.

1 cl, 15 dwg