The Colt M4A1 SOCOM Carbine returns for 2018. This classic US Military Reproduction closely replicates the markings and configuration of the M4A1 SOCOM Carbine. The lower receiver features RARE military markings "PROPERTY OF THE US GOVT, M4A1 CARBINE", 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 with vertical grip. 600yard rear flip military sight. Extended flash hider has been FACTORY 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. Includes 30rd mag, manual, accessories and box. .Limited supply!!