M5 CQC 5.56mm Semi-Auto Rifle 11.5"" Barrel

Caliber: 5.56 NATO / .223 Rem. Barrel Length: 11.5"" Barrel: Colt Proprietary Cr-Mo-V Steel, Chrome Lined, 1:7 Twist, HP/MPI Tested Bolt Carrier Group: Mil-Spec Profile, HP/MPI Tested, Chrome Lined, Properly Staked Gas Key Gas System: Pinned Colt Low-Profile Gas Block, Carbine Length, Direct Impingement Upper Receiver: M5 True Barrel Free Float System with Integrated Handguard Mount Interface Lower Receiver: Forged with Ambidextrous Mag Release, Safety Selector, and Bolt Catch Controls Handguard: M5 7-Sided M-LOK with Continuous MIL-STD-1913 Top Rail and Keyed Anti-Rotation Tab Barrel Alignment: Self-Centering Barrel Nut and Extension for Improved Accuracy Charging Handle: Ambidextrous Radian Raptor Charging Handle Sights: TROY Metal Folding BattleSights