PISTOL CARTRIDGE Russian patent published in 1995 - IPC

FIELD: pistol and machine-gun fire. SUBSTANCE: pistol cartridge, mainly of 9-mm caliber, has a bullet with a steel slug, bimetallic jacket and polyethylene shell, cylindrical cartridge case with a primer cap and ejection powder charge with the following relations of parameters: cartridge length-(3.4-3.9)d, bullet length -(2.2-2.5)d, bullet slug length -(2.1-2.4)d, bullet head length -(0.85-1.2)d, cartridge case length -(2.2-2.6)d, diameter of cartridge case flange -(1.1-1.2)d, where d-ballet caliber; bullet weight coefficient is 8.8 to 12.2 g/qu.cm ejection powder charge momentum within 55 to 75 kgf/sq.dm, and loading density within 0.9 to 1.24 g/qu.cm. EFFECT: improved characteristics. 1 dwg, 2 tbl