FEATURES The Colt M5 Carbine features a completely redesigned lower receiver and upper receiver with full ambidextrous controls and an enhanced upper receiver rail design which ensures extreme rigidity. With maximum performance and ergonomics at the forefront of the design consideration, the Colt M5 Carbine utilizes a proven carbine length gas system with Colt's new purposedesigned free float rail and upper receiver system. The Colt M5 Carbine is truly the next generation in a long legacy of Colt high performance rifles. Mfg: Colt