7.62x51mm (T65E3)

NAME – 7.62x51mm (T65E3)

NAME (COMMON) – Cal. .30 Light Rifle Ball Cartridge T65E3

TYPE – Centerfire Bottleneck

YEAR OF INTRODUCTION – 1949

COUNTRY OF ORIGIN – USA

CASE TYPE – Rimless bottleneck

CARTRIDGE LENGTH – 71.1 mm (2.80 in)

CASING LENGTH – 51.2 mm (2.015 in)

CASE HEAD DIAMETER – 12.01 mm (0.473 in)

CASE RIM DIAMETER – 12.01 mm 0.473 in

BULLET TYPE – Full jacketed spire-point steel cored M2 ball

BULLET DIAMETER – 7.82 mm (.308 in)

BULLET WEIGHT – 9.85 g (152 grains)

POWDER WEIGHT – 3.05 g (47 grains)

CASING WEIGHT – 12.57 g (194 grains)

TOTAL ROUND WEIGHT – 25.47 g (393 grains)

MUZZLE VELOCITY – 825 m/s (2,706 fps)

NOMINAL BARREL LENGTH – 61 cm (24 in)

MUZZLE ENERGY – 3351 j (2472 ft/lb)