M4 Carbine

Colt

Colt Upper Receiver in .223 Remington/5.56 NATO

Colt

Colt Upper Receiver for .223 Remington and 5.56 NATO

Colt

Colt M4 Semi-Automatic 5.56 NATO Firearm with 11.5-inch Barrel and Black Synthetic Stock

Colt

Colt M4 5.56 NATO Semi-Automatic Pistol with Black Synthetic Stock

Colt

Colt M4 Enhanced Patrol Rifle, 5.56 NATO

Colt

Colt M4 Carbine EPR Gen II Pro 5.56 NATO Rifle with 16.1-inch Barrel

Colt

Colt Enhanced Patrol Rifle Gen II .223 Remington Semi-Automatic Rifle

Colt

Colt Combat Unit Carbine Semi-Automatic Rifle, 5.56 NATO / .223 Remington, Matte Black

Colt

Colt Enhanced Patrol Rifle in 5.56mm with 16.1-inch Matte Black Finish and 30-Round Magazine

Colt

Colt Enhanced Patrol Rifle in Black with 16.1-inch Barrel

Colt

Colt Monolithic Carbine 5.56 NATO, 16.1-inch Barrel, 30-Round - Black

Colt

Colt Monolithic Carbine M4 .223 Rem / 5.56 NATO with Collapsible Stock and Magpul MBUS Sights