M-203 40MM GRENADE LAUNCHER

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Air War College converted text/photo from Nov 1996 Defense Image Digest CD-ROM

SERVICE: Marine Corps

DESCRIPTION: Grenade launcher attachment for the M-16 rifle

FEATURES:
The M-203 40mm Grenade Launcher is used while attached to a M-16A2 5.56mm rifle. It is a lightweight, compact, breech-loading, pump action, single shot launcher. The launcher consists of a hand guard and sight assembly with an adjustable metallic folding, short-range blade sight assembly, and an aluminum receiver assembly which houses the barrel latch, barrel stop and firing mechanism. The launcher is capable of firing a variety of low-velocity 40mm ammunition. The launcher also has a quadrant sight that may be attached to the M-16A2 carrying handle and is used for maximum effective range.

BACKGROUND:
The M-203 was designed and procured as the replacement for the M-79 grenade launcher of the Vietnam War era. The final procurement of 1,825 weapons was completed in FY90. INVENTORY: 1,825

IMAGE FILE NUMBER: DF-ST-85-18159