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.

标准的M203通常安装在M16A1、M16A2、M16A3步枪上，为12英寸（约305mm）长的线膛枪管，也能安装到M4/M4A1卡宾枪上，但SOPMOD套件中使用的榴弹发射器是M203A1。 M203A1是专为加挂到M4/M4A1上使用的，其枪管缩短到9英寸（约228mm），而且其中的M203A1 QD型可快速从步枪上拆卸，适用于USSOCOM的SOPMOD M4或陆军的M4 MWS，可与KAC的M4 RAS的下护木互换，其瞄准具通过M1913导轨安装在步枪上。 新的M203A2是用于M16A4 MWS系统 …

M203 是 美國陸軍 為40毫米彈藥而要求開發的 單發 下掛式 榴弹发射器，用於提供給 M16突擊步槍 及 M4卡賓槍 裝備，其衍生型更可對應多種步槍，亦可裝上 手槍握把 及 槍托 獨立使用。 M203下掛於護木下方，发射器的 扳機 在步槍彈匣前面，發射時用彈匣充當握把，其主體結構分為裝填彈藥的滑動槍管及後方的擊發結構。 附有可分離式的象限測距瞄準具及立式標尺。 裝填彈藥時，先按下槍管鎖鈕讓槍管前進，便可從槍管後方裝填彈藥，一旦讓槍管回復原位， 撞針 便 …

The M203 is a single shot 40 mm 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 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.

The M203A2 Grenade Launcher is a breech-loading, pump-action, single-shot, manually operated weapon that enables Soldiers and small units to engage targets with accurate, lethal, grenade fire.

2013年1月16日 · The M203A2 grenade launcher provides a mounting system compatible with the M16A4 rifle and M4 carbine. The modification to the previous M203 and M203A1 designs includes a quick-attach bracket...

The M203 40mm Grenade Launcher can mount to nearly every assault rifle or carbine – M16A2, M16A4, M4, M4A1, the Canadian C7, the French M5, and various models of the AK. The M203 grenade launcher is intended to be used as close fire support against point and area targets.

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. The M203 is also being...