SMALL ARMS Russian patent published in 2003 - IPC

FIELD: applicable in production, for example, of smoothbore guns. SUBSTANCE: the small arms has a barrel with a breech, receiver with longitudinal grooves, breechblock with locking lugs and a bolthead with locking lugs, according to the invention, the breech has grooves for the locking lugs of the bolthead, and the distance between the grooves of the receiver and breech of the barrel is less than the length of the bolthead locking lugs, the grooves of the breech and the receiver have the same section and coincide in the direction. EFFECT: simplified construction and enhanced reliability of the weapon. 3 cl, 3 dwg