MUZZLE PIECE Russian patent published in 2003 - IPC

FIELD: small arms, specifically, design of muzzle pieces for small arms. SUBSTANCE: muzzle piece has body with rear part of intake chamber housing expansion chambers and bullet passage formed by elements of identical configuration placed in sequence and cover carrying front part of exhaust chamber and bullet hole. Spaces of expansion chambers are torus-shaped with conical gas separators forming inlet spiral-shaped sections in cross-section. Shapes of spaces of expansion chambers are formed by elements installed in pairs, intake chamber is formed by base of body and one element and exhaust chamber is formed by one element and cover. EFFECT: diminished sound and recoil energy, increased density of hits, elimination of muzzle flash. 3 cl, 3 dwg