The M203 (M320) is an under-slung, barrel mounted, grenade launcher that is most prominently used on the M16. In Madness Combat 2: Redeemer, Hank used this attachment to blow up zombie grunts revived by Jesus. In Madness Combat 3: Avenger, also attached
For the similarly named underbarrel grenade launcher, see M320. For the "Grenadier" mod in the Nazi Zombies mode of Call of Duty: WWII, see Grenadier (Nazi Zombies). The M203 is a single shot grenade launcher attachment that is featured in many games of