Colt Model M203 in 40mm Grenade Launcher on an original Colt SP1 Upper Receiver. Launcher is in like new condition and features an original Colt rear sight and ceramic barrel insert. Very few of these were released for civilian use. A great investment piece. This is a Destructive Devise and requires a $200 Tax Stamp.
The Colt M203 Grenade Launcher is a lightweight, single-shot, breech-loaded 40mm firearm specifically designed to be attached to the M4 Carbine and the M16A2 and A4 Rifles. It creates a versatile combination weapon system, capable of firing both 5.56mm rifle ammunition as well as the complete range of 40mm high explosive and special purpose ammunitions. A complete self-cocking firing mechanism, including barrel latch, trigger and positive safety lever is included in the receiver, which allows the M203 to be operated as a completely independent firearm even though attached to the Colt M4 Carbine or the Colt M16A4 Rifle.
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