COLT CM5-SENTRY 5.56 16.1 30RD BLK

Colt's Manufacturing M4 Carbine CM5-Sentry, Semi-automatic, AR, 223 Remington/556NATO, 16.1 Barrel, 1:7 Twist, A2 Flash Hider, Anodized Finish, Black, Colt Free Float Handguard, Magpul CTR 4 Position Stock, A2 Grip, Flip Up Front and Rear Sights, 30 Rounds, 1 Magazine CM556-16-M5S 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.