The M203 is a single-shot 40 mm under-barrel grenade launcher designed to attach to a rifle. It uses the same rounds as the older stand-alone M79 break-action grenade launcher, which …

Chambered in 40mm, LMT grenade launchers are globally recognized as the most reliable M203 platform in the industry. Large breech opening for the largest projectiles in a standalone …

M203 40mm rail mounted receiver. Designed to be used on any picatinny rail or as a stand alone weapon system. Machined from aerospace aluminum. Utilizes 9″ 40mm 1:48″ RH twist barrel. …

Omaha Outdoors has custom and factory in stock LMT Defense M203 models for sale. Buy LMT Defense M203 online at Omaha Outdoors.

LMT M203 40mm Barrel, 9″ This LMT 40mm barrel assembly is one of the mainstays and go-to’s of the M203 family. This barrel is designed for use with L2B1 rail-mount or classic LMP300E …

LMT 40mm M203. M16/M4 design under barrel mount M203 receiver with 9″ barrel. 1:48″ RH twist rifling. Receiver is made of aerospace aluminum. Does not include front mount or sight. …

40mm M203 with stand alone frame. Designed for original under mount style M203 receivers, this receiver allows a standard M203 to be used as a stand alone grenade launcher. Built out of …

M203 GRENADE LAUNCHER BARREL ASSEMBLY, 9"

M203 GRENADE LAUNCHER BARREL ASSEMBLY, 9″ Must have ATF approval as DD to mount a barrel.