Developed as a "tactical" accessory, it is attached to a shoulder fired rifle (usually a M16, shown here attached to a M4 5.56mm Carbine). It is a single shot attachment that fires a variety of 40mm low velocity high explosive and special purpose grenades that does not interrupt normal execution of the weapon it is attached to.

		Caliber 40mm Operation: single shot Feed: breech loading, sliding barrel Weight: unloaded M16A1 and M203, 5.484 kg; loaded M4 and M203, 4.624 kg Weight of launcher unit: empty, 1.36 kg; loaded, 1.63 kg Length: 380 mm Barrel: 305 mm Muzzle velocity: with M406 grenade, 74.7 m/s Max range: 400 m Max effective range: area target, 350 m; point target, 150 m

		Colt's Manufacturing Company Inc.

Source(s): Jane's Infantry Weapons, 24th Edition, 1998-99.