PISTOL BULLET Russian patent published in 1997 - IPC

FIELD: small arms (pistols, submachine guns). SUBSTANCE: bullet has a metal envelope and a lead slug with a cavity in the tail section having a depth of 0.55 to 0.95 of the length of the section including the leading and tail sections. The cavity may be made in the form of a truncated cone expanding towards the built rear butt end and changing into a spherical segment at the smaller base, or in the form of several conjugate truncated cones. The bullet tail section may be tapered with a vertex angle of 1.5 to 2.0 deg. and cone height within 0.02 to 0.6 of the caliber. EFFECT: improved design. 4 cl, 1 dwg, 1 tbl