Colt M4A1 MOD 0 Heavy SOCOM 14.5" Colt Upper on M4 Carbine Lower

Colt M4A1 Heavy SOCOM 14.5" Barreled Colt Upper on Colt M4 Carbine Lower No matter what AR is on the market, there's nothing quite like a genuine Colt. Now, you can complete your perfect dream gun build by picking up this nearly complete Colt M4 Upper Receiver, which includes the same SOCOM-profile barrel designed for use by the U.S. armed forces. Each Colt M4 Upper Receiver is chambered in 5.56 NATO and features a flattop-style design that allows for the easy addition of mounted optics. Just like the M4A1 rifles in use by the U.S. Military, this upper receiver features a pinned front sight gas block. The barrel measures 14.5 inches (16" OAL Pinned & Welded Flash Hider) long and features a 1:7-inch twist rate, which will handle the heavy bullets you like. Be aware that this Colt M4 Upper Receiver does include a rear sight, bolt-carrier group, charging handle, which gives you a chance to find the perfect options to complete your rifle. SOPMOD stock Geiselle SSAE 2 stage trigger Colt H1 Buffer 4 position buffer tube Knights Armament Rail System Colt gas block sling swivel Color: Black Barrel Length: 16" OAL Barrel Contour: M4A1 HBAR Finish: Matte Cartridge:5.56x45 NATO Receiver Style:Complete Make Model Fit: M4A1 MOD 0 AR-15.Universal Twist:1-7 5.56 NATO MaTech Solutions, Rear Sight, Ranging Aperture, Flip Up Knights Armament Rail System US Military Reproduction The Colt M4A1 SOCOM Carbine returns for 2026. This classic US Military Reproduction closely replicates the markings and configuration of the M4A1 SOCOM Carbine. The lower receiver features M4 Carbine Marking , and CAL. 5.56 MM. The barrel is a true SOCOM 14.5 heavy barrel with the iconic M203 flats under the Knights Armament Rail System. Extended flash hider has been pinned and welded to achieve a non-NFA length of 16.1". Includes the side sling swivel at the gas block and an ambidextrous safety selector. This reproduction is sure to turn heads.