NAME – 40x46mm M1029 Nonlethal Crowd Dispersal Cartridge
NAME (COMMON) – M1029 Rubber Buckshot Round
CALIBER – 40x46mmSR
TYPE – Low velocity, multiple-projectile impact
YEAR OF INTRODUCTION –
COUNTRY OF ORIGIN – USA
IDENTIFYING COLOR CODE – Silver or brass cartridge case with green ink markings, 25mm (1-inch) green ring around mouth of cartridge, black case mouth seal with large white “B” in center
CASE TYPE – Semi-rimmed straight walled
CARTRIDGE LENGTH – 12.2 cm (4.8 in)
CASING LENGTH – 12.2 cm (4.8 in)
CASE HEAD DIAMETER – 41.20 mm (1.622 in)
CASE RIM DIAMETER – 43.61 mm (1.717 in)
PROJECTILE TYPE – Hard rubber balls
PROJECTILE DIAMETER – 12 mm (0.48 caliber)
PROJECTILE WEIGHT (TOTAL) – 0.11 kg (3.84 oz) 1698 grains
SUB-PROJECTILE WEIGHT – 2.27 g (0.08 oz) each 35.03 grains
POWDER WEIGHT – 0.58 g (8.95 grains) Winchester mix
FILLER – None
FUZE TYPE –None
CASING WEIGHT – 0.10 kg (3.5 oz)
TOTAL ROUND WEIGHT – 0.21 kg (7.41 oz)
MUZZLE VELOCITY – 114 m/s (375 fps)
REMAINING VELOCITY AT 30M (33 yards) – 61 m/s (200 fps)
MUZZLE ENERGY – 719 j (530 ft/lb)
MUZZLE ENERGY (PER PELLET) – 15 j (11 ft/lb)
REMAINING ENERGY AT 30 M (33 yards) – 205 j (151 ft/lb)
REMAINING ENERGY (PER PELLET) – 4 j (3 ft/lb)
PATTERN WIDTH AT 30 M (33 yards) – 2.48 m (97.5 in/8 feet +)
