NAME – 11.63×53.3mmR
NAME (COMMON) – 45-70-405
TYPE – Rimmed, centerfire
YEAR OF INTRODUCTION – 1873
COUNTRY OF ORIGIN – USA
CASE TYPE – Rimmed straight
CARTRIDGE LENGTH – 61.5 mm (2.58 in)
CASING LENGTH – 53.3 mm (2.098 in)
CASE HEAD DIAMETER – 12.83 mm (0.505)
CASE RIM DIAMETER – 15.44 mm (0.608)
BULLET TYPE – Round-nosed lead ball
BULLET DIAMETER – 11.63mm (0.458 in)
BULLET WEIGHT – 26.24 g (405 gr)
POWDER WEIGHT – 4.54 g (70 gr)
CASING WEIGHT – 11.9 g (183 grains)
TOTAL ROUND WEIGHT – 39.79 g (614 grains)
MUZZLE VELOCITY – 416 m/s (1364 fps)
NOMINAL BARREL LENGTH – 81.3 cm (32 in)
MUZZLE ENERGY – 2269 j (1673 ft/lb)