Product Overview
Colt M4A1 SOCOM Complete Upper Receiver Factory New
Factory New Colt M4A1 SOCOM Complete Upper Receiver. Barrel is marked 13629 Cage Code for the US Government Contract SOCOM Upper Receivers. 14.5" SOCOM Heavy barrel w/ M203 flats under the rail system. Knights Armament Rail Adapter System (RAS) w/ (3) 11 Rib Rail Pannels, extended Bird Cage flash hider that has been factory pinned and welded to bring over length to 16.1" Comes with Colt side sling swivel, Ma-Tech rear BUIS, 13629 matching Cage Code marked barrel, Bolt Carrier Group and charging handle.
