Police Trade In Colt AR-15 A3 Tactical Carbine 5.56 HBAR Restricted Marked Manufacturer: Colt Model: AR-15 A3 Tactical Carbine Condition: Good Caliber/Gauge: 5.56 NATO Action: Semi-Auto Barrel Length: 16", Heavy Barrel (HBAR) Twist Rate: 1:9" Threaded: Yes, 1/2"x28mm Capacity: Magazine Not Included Sights: A2 Style Front Sight & MAGPUL Flip-Up Rear Iron Sight Grips: A2 Style Pistol Grip Stock: M4 Style Adjustable Stock, Black Muzzle: A2 Style Flash Hider Finish: Black Origin: Made in USA Other Features: Restricted marked receiver, #1780 cage code sticker, bayonet lug with rail adapter. What's Included: Firearm only. # of Magazines: Zero * This item is a Police Trade-In. * Please be aware that we have not test-fired this firearm. Unless stated otherwise, expect this firearm to fire and function safely.