NAME – 18.5x76mmR (12 gauge 3 inch Magnum) 00 Buckshot

TYPE – Shotgun shell

YEAR OF INTRODUCTION – 1935

COUNTRY OF ORIGIN – USA

CASE TYPE – Rimmed straight plastic

CARTRIDGE LENGTH – 65 mm (2.56 in)

CASING LENGTH – 70 mm (2.76 in)

CASE HEAD DIAMETER – 18.9 mm (0.744 in)

CASE RIM DIAMETER – 20.8 mm (0.819 in)

LOAD – 00 Lead Buckshot

LOAD WEIGHT – 56.38 g (870 grains)

PELLET DIAMETER – 8.6 mm (0.34 in)

NUMBER OF PELLETS – 15

WEIGHT OF PELLET – 3.8 g (58 grains)

TOTAL ROUND WEIGHT – 71 g (2.50 oz)

MUZZLE VELOCITY – 369 m/s (1210 fps)

NOMINAL BARREL LENGTH – 76.2 cm (30 in)

MUZZLE ENERGY – 3835 j (2829 ft/lb)

MUZZLE ENERGY PER PELLET – 256 j (189 ft/lb)