NAME – 16.9x70mmR (16 Gauge 2 ¾ inch) Rifled Slug

TYPE – Shotgun shell

YEAR OF INTRODUCTION – 1890’s

COUNTRY OF ORIGIN – Europe

CASE TYPE – Rimmed straight

CARTRIDGE LENGTH – 6.2 cm (2.440 in)

CASING LENGTH – 7 cm (2.76 in)

CASE HEAD DIAMETER – 18.9 mm (0.744 in)

CASE RIM DIAMETER – 20.8 mm (0.819 in)

LOAD – Express Rifled Slug

LOAD WEIGHT –22.68 g (0.8 oz – 350 grains)

PROJECTILE DIAMETER – 16.83 mm (0.66 in)

WEIGHT OF PROJECTILE – 22.68 g (350 grains)

TOTAL ROUND WEIGHT – 37.3 g (1.32 oz)

MUZZLE VELOCITY – 488 m/s (1600 fps)

NOMINAL BARREL LENGTH – 71 cm (28 in)

MUZZLE ENERGY – 2698 j (1990 1600-30ft/lb)

15 fps/in per 2 inchs bbl length from nominal