40x46mm M651/M651E1 Tactical CS

NAME – 40x46mm M651/M651E1 Tactical CS

NAME (COMMON) – M651/M651E1 Tactical CS

CALIBER – 40x46mmSR

TYPE – Low velocity burning-type CS Tear Gas round

YEAR OF INTRODUCTION – 1967

COUNTRY OF ORIGIN – USA

IDENTIFYING COLOR CODE – Green cartridge case, grey projectile body with 6.4 mm (1/4 inch) red band, markings in black

CASE TYPE – Semi-rimmed straight with 6 notches in rim

CARTRIDGE LENGTH – 11.4 cm (4.5 in)

CASE HEAD DIAMETER – 41.097 mm (1.618 in)

CASE RIM DIAMETER – 43.54 mm (1.714 in)

PROJECTILE TYPE – Burning-type, base ejection, CS Tear Gas

PROJECTILE DIAMETER – 41.097 mm (1.618 in) at rotating band

PROJECTILE WEIGHT – 0.205 kg (7.2 oz)

FILLER – CS-Pyrotechnic mixture

FILLER WEIGHT – 0.053 kg (1.87 oz)

FUZE TYPE – M651E1 Point-detonating

CASING WEIGHT – 0.077 kg (2.72 oz)

TOTAL ROUND WEIGHT – 0.282 kg (10 oz)

MUZZLE VELOCITY – 76 m/s (249 fps)

NOMINAL BARREL LENGTH – 35.6 cm (14 in)

MINIMUM (ARMING) RANGE – 10 to 30 m (11 to 33 yards)

EFFECTIVE RANGE – 200 m (219 yards)

MAXIMUM RANGE – 400 m (438 yards)

EFFECT – Visible cloud of CS-containing smoke released as filler burns

AREA OF EFFECT – 120 m­­­³ (144 yards³)

BURNING TIME – 20 to 30 seconds

MANUFACTURER – Pine Bluff Arsenal

STATUS – Production completed

SERVICE – US Military and allied forces