The Colt M203 Grenade Launcher is a lightweight single shot breech loaded 40mm weapon designed especially for attachment to the M16A2 Rifle and M4 Carbine.

Model:    M203

Name:    Grenade Launcher

Caliber:    40mm (1.57')

Weight:    3.0 lbs. (empty)    3.6 lbs. (loaded)

Overall Length:    15"

Barrel Length    12"

Height:    3.3" (below rifle bbl C/L)

Width:    3.3' (maximum)

Ammunition Type:    Most commonly used CN/CS/OC tear gas rounds, smoke, non lethal projectiles, signal and practice rounds as well as standard 40mm rounds.