12.7x99mm M33 Ball

NAME – 12.7x99mm M33 Ball

NAME (COMMON) – .50 Browning M33 Ball

TYPE – Centerfire

YEAR OF INTRODUCTION – 1950

COUNTRY OF ORIGIN – USA

CASE TYPE – Rimless bottleneck

CARTRIDGE LENGTH – 138.4 mm (5.45 in)

CASING LENGTH – 99.3 mm (3.91 in)

CASE HEAD DIAMETER – 20.42 mm (0.804 in)

CASE RIM DIAMETER – 20.42 mm (0.804 in)

BULLET TYPE – Spitzer-pointed full jacketed ball with mild steel core

BULLET DIAMETER – 12.95 mm (0.510 in)

BULLET WEIGHT – 42.9 g (662 grains)

POWDER WEIGHT – 15.23 g (235 grains)

CASING WEIGHT – 56.25 g (868 grains)

TOTAL ROUND WEIGHT – 114.37 g (1765 grains)

MUZZLE VELOCITY – 887 m/s (2910 fps)

NOMINAL BARREL LENGTH – 114.3 cm (45 in)

MUZZLE ENERGY – 16,880 j (12,450 ft/lb)

M2 Link – 17.30 g (267 grains)

M9 Link – 16.72 (258 grains)

M15A2 Link – 18.21 g (281 grains)

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