BULLET Russian patent published in 1997 - IPC

FIELD: ammunition used to fire individual silent automatic weapon. SUBSTANCE: bullet has an envelope with stepped inner and outer surfaces and a bottom in the tail section, lead jacket and a steel slug with a nose partially projecting from the envelope. The relations of the bullet dimensions are as follows (in calibers): bullet total length - 4.5 to 4.6; length of the bullet nose - 1.7 to 1.9; radius of curvature of the envelope nose outer surface - 3.4 to 3.5, length of the bullet tail section - 1.4 to 1.6; length of the bullet rear conical section - 0.7 to 0.3; slug length - 4.4 to 4.5; slug diameter - 0.8 to 0.85; diameter of envelope nose in the point of conjugation with the slug - 0.5 to 0.7; length of the slug nose projecting from the envelope - 0.7 to 0.8. Bullet weight factor - 21 to 23 g/cu.cm. EFFECT: enhanced effectiveness. 1 dwg