The
M203 40mm Grenade Launcher is used while attached to an M16A2
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 which may be attached to
the M16A2 carrying handle and is used when precision is required
out to the maximum effective range of the weapon.
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