Diamondback Firearms, DB10 DIAMOND, Semi-automatic, AR, 6.5 Creedmoor 1:8 Twist, 20" Stainless Steel Barrel, Muzzle Brake, Black Finish, 15" M-LOK Rail, Magpul Pistol Grip, 1-20 Round Magazine, Used, Excellent Condition, Original Box & Belongings