NAME – 18.5x67mmR – 12 Gauge 2 5/8 inch 00 Buckshot

TYPE – Shotgun shell

YEAR OF INTRODUCTION – 1877

COUNTRY OF ORIGIN – England

CASE TYPE – Rimmed straight

CARTRIDGE LENGTH – 59.9 mm (2.36 in)

CASING LENGTH – 66.8 mm (2.63 in)

CASE HEAD DIAMETER – 18.9 mm (0.744 in)

CASE RIM DIAMETER – 20.8 mm (0.819 in)

LOAD – 00 Buckshot

LOAD WEIGHT – 34.2 g (522 grains)

PELLET DIAMETER – 8.6 mm (0.34 in)

NUMBER OF PELLETS – 9

WEIGHT OF PELLET – 3.8 g (58 grains)

TOTAL ROUND WEIGHT – 0.048 g (1.17 oz)

MUZZLE VELOCITY – 341 m/s (1120 fps)

NOMINAL BARREL LENGTH – 76.2 cm (30 in)

MUZZLE ENERGY – 1841 j (1354 ft/lb)

MUZZLE ENERGY PER PELLET – 205 j (150 ft/lb)