This Semi-Automatic Colt Rifle is a throwback to the full size AR-15® which gave birth to the Modern Sporting Rifle. The AR15A4 is defined by it’s 20 1:7 Twist Government Profile Chrome Lined Barrel and A2 Fixed Buttstock. The rifle is topped with a Picatinny Flat Top Upper Receiver with Detachable Carry Handle. – Type: Ar – Accessories: 1 Mag – Finish Color: Black – Grips Stock: Standard pistol grip and Stock – Action: Gas Operated Semi-Auto – Caliber: 223 Remington/5.56 NATO – Barrel Length: 20 – Capacity: 30+1 – Trigger: Standard – Safety: Reversible Safety Selector – OAL: 39.5 – Weight: 7.7 lbs – Stock: Black/Gray A2 – Metal Finish: Black – Muzzle: A2 Flash Hider – Sights: A2 – Twist: 1:7 – Purpose: Personal Defense/Sport – Finish: Matte Black – Features: Removeable Carry Handle