NAME – 8×52.5mmR

NAME (COMMON) – 8mm Murata Type 20

TYPE – Rimmed, bottleneck, centerfire

YEAR OF INTRODUCTION – 1887

COUNTRY OF ORIGIN – Japan

CASE TYPE – Rimmed bottleneck

CARTRIDGE LENGTH – 7.37 cm (2.90 in)

CASING LENGTH – 52.3 (2.060 in)

CASE HEAD DIAMETER – 10.97 mm (0.432 in)

CASE RIM DIAMETER – 14.17 mm (0.558 in)

BULLET TYPE – Full jacketed flat nose

BULLET DIAMETER – 8.36 mm (0.329 in)

BULLET WEIGHT – 15.42 g (238 grains)

POWDER WEIGHT – 2.33 g (36 grains) Smokeless

TOTAL ROUND WEIGHT – 30.33 g (468 grains)

MUZZLE VELOCITY – 564 m/s (1850 fps)

NOMINAL BARREL LENGTH – 74.68 cm (29.5 in)

MUZZLE ENERGY – 2453 j (1809 ft/lb)