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.

The M16 rifle (officially designated Rifle, Caliber 5.56 mm, M16) is a family of assault rifles adapted from the ArmaLite AR-15 rifle for the United States military. The original M16 rifle was a 5.56×45mm automatic rifle with a 20-round magazine.

Mar 9, 2023 · After snorting enough coke to orbit a rhino, Tony snatched up his M16-cum-M203 grenade launcher, charged it with an M433 HEDP (High Explosive Dual Purpose) grenade along with a pair of 30-round box magazines taped back-to-back, and faced the door.

The M203 is a 40mm single-shot grenade launcher designed for use with the M16, the M203A1 is used with the M4, and the M203A2 is the current modification that provides a mounting system...

Aug 24, 2024 · Originally developed for the M16 and its carbine variant, the M4, the M203 allows soldiers to switch quickly between direct rifle fire and launching grenades.

May 1, 2022 · The M203 is a well-known single-shot 40mm under-barrel grenade launcher designed to attach to the rifle. It has become the first weapon of this type to achieve operational service inside the US military. Initially designed for the M16 rifle and its carbine version, M4, it became compatible with

Jul 7, 2011 · The M203 in effect included the host the M16 (though the designation applied only to the grenade launcher component) and could provide lethality promptly when required.

Jan 27, 2021 · I have a 20” m16 clone as well as a 16” carbine clone, but I have recently decided to build an M16/m203 clone with a 37mm launcher. Sadly since I’ve taken a hiatus from the hobby, it appears as though the 37 mm launcher market has become a lot smaller.

Jan 16, 2013 · The modification to the previous M203 and M203A1 designs includes a quick-attach bracket for the grenade launcher and a leaf sight to attach to the MIL-STD-1913 Rail Adapter System.