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 utilizes the high-low propulsion system to keep recoil forces low.

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 platform. Available in multiple barrel length and mounting configurations.

Features a 12” barrel, making the 37mm variant similar to the most popularly issued M203 variants found on M16 rifles & M4 carbines. The M203 attaches to standard Government rifle & carbine length barrel assemblies with a 0.625” front barrel profile (cutout on M4 barrels) and a GI compatible barrel nut system at the rear (check your ...

The M203-series grenade launchers are lightweight, single-shot, breech-loaded, pump action (sliding barrel), shoulder-fired weapons. The grenade launcher is composed of the following: barrel, receiver, hand guard, leaf sight, and quadrant sight.

M203 & M203A1 40mm Grenade Launcher (Government issued) "STAND ALONE "Compact and lightweight with an extendable, foldable stock that also can be transformed into a pistol style mount without the use of tools. Allows for use of different sighting systems.

Jan 16, 2013 · The M203A2 grenade launcher provides a mounting system compatible with the M16A4 rifle and M4 carbine.

The M203A1 grenade launcher is a single-shot weapon designed for use with the M4 series carbine and also fires a 40mm grenade. Both have a leaf sight and quadrant site.

May 1, 2022 · In US military service, the M203 is attached to an M16 or M4. Attaching the M203 to a weapon is a procedure requiring only 5 minutes, and the only tool required is a screwdriver. There are no sights on the M203; these must be fitted to the weapon that the launcher is attached.

M203, which are the result of modification kits developed to allow the weapon to fit different variants of the M16 rifle. The standard M203 fits the M16a4, while model designa-tions M203 a1 and M203 2 have been adapted to fit the shorter M4 assault rifle (the M203a2 has a quick-release attachment). each variant is clearly marked with a model