7.62x35mm SP-3

NAME – 7.62x35mm SP-3

NAME (COMMON) – SP-3 Silent Cartridge – Spetsial Patron 3 [Special Cartridge 3]

TYPE – Captured piston suppressed cartridge

YEAR OF INTRODUCTION – 1972

COUNTRY OF ORIGIN – USSR

CASE TYPE – Rimless bottleneck

CARTRIDGE LENGTH – 51.8 mm (2.04 in)

CARTRIDGE LENGTH FIRED – 55 mm (2.17 in)

CASING LENGTH – 39.6 mm (1.56 in)

CASE HEAD DIAMETER – 10.4 mm (0.409 in)

CASE RIM DIAMETER – 10.5mm (0.413 in)

BULLET TYPE – Full jacketed pointed ball (M43 projectile 57-H-231)

BULLET DIAMETER – 7.85 mm (0.309 in)

BULLET WEIGHT – 7.97 g (123 grains)

TOTAL ROUND WEIGHT – 15 g (232 grains)

MUZZLE VELOCITY – 145 m/s (475 fps)

MUZZLE ENERGY – 84 j (62 ft/lb)