BULLET FOR RIFLE " OB " Russian patent published in 1998 - IPC

FIELD: hunting rifles. SUBSTANCE: elongated plastic tail part has cylindrical cavity which houses set of two steel contacting balls made interference fit with alignment of face of set with front face of tail part. Length of tail part is at least 1.5 times longer than height of set of balls. Tail part has obturating collar that carries pressboard spacer having diameter equal to bullet caliber which can be crushed easily. Height of obturating collar is 2.0 mm as minimum. Axially symmetric grooves having depth of 0.5-0.8 mm may be made in side surface of tail part in area of set of balls. EFFECT: simplified design and facilitated manufacture of bullet. 2 cl, 2 dwg