Colt M4 Carbine rifles are for sale every day at GunBroker.com. You can buy the M4 Carbine made by Colt through one of the many sellers listing their products here at GunBroker.com, the world’s largest gun auction site.
The Colt M4 Carbine is derived from earlier versions of the M16 rifle and is a shorter, lighter version of the M16A2 assault rifle chambered for 5.56x45mm NATO ammunition. The Colt M4 carbine is gas operated, magazine fed, selective fire with telescoping stock for improved maneuverability in close combat situations.
GunBroker.com sellers update their auction listings frequently, so if you’re looking to buy a Colt M4 Carbine or parts, check back often as new auctions are listed every day.