12.7x108mm B-32 API

NAME – 12.7x108mm B-32 API

NAME (COMMON) – B-32 Armor Piercing – Incendiary

TYPE – Centerfire

YEAR OF INTRODUCTION – 1930

COUNTRY OF ORIGIN – USSR

CASE TYPE – Rimless bottleneck

CARTRIDGE LENGTH – 147 mm (5.787 in)

CASING LENGTH – 108 mm (4.252 in)

CASE HEAD DIAMETER – 21.84 mm (0.860 in)

CASE RIM DIAMETER – 21.79 mm (0.858 in)

BULLET TYPE – B-32 Spitzer-pointed boat-tailed full jacketed with hardened steel core and incendiary filling

BULLET DIAMETER – 13.0 mm (0.512 in)

BULLET WEIGHT – 45.7 g (705 grains)

POWDER WEIGHT – 16.3 g (252 grains)

CASING WEIGHT – 71.1 g (1097 grains)

TOTAL ROUND WEIGHT – 133.1 g (2054 grains)

MUZZLE VELOCITY – 840 m/s (2755 fps)

NOMINAL BARREL LENGTH – 100 cm (39.4 in)

MUZZLE ENERGY – 16,112 j (11,884 ft/lb)

     Penetrates 20mm of armor at 100 m range, Color Code Black over Red tip