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M320 Grenade Launcher

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M320 Grenade Launcher
The M320 Grenade Launcher (GL) is a 40mm low-velocity grenade launcher weapon module that will replace all Army M203 series grenade launchers. The M320 GL improves on the current system with an integral day/night sighting system that provides day/night targeting capability, an open architecture that allows mounting on M16/M4 rifles and carbines, and the ability to convert to a standalone system, enabling an increase in modularity. The M320 GL has a side-loading unrestricted breech that allows the system to fire longer 40mm low-velocity projectiles (NATO standard and non-standard) and is more reliable and safer because it uses a more modern double-action trigger/firing system. A handheld laser rangefinder eliminates range estimation, greatly increasing the first-round hit probability of the grenadier. The M320 also utilizes a double action trigger for increased safety and reliability.

The first fielding of M320s was to the 82nd Airborne Division, which received their new weapons in mid-June, 2009. The Army currently plans to purchase 71,600 M320 systems over the next several years, eventually replacing the M203 which has served as the Army's primary grenade launcher since the 1970s.

(Source: US Army)