If you are looking for an entry level AR-10 style rifle, then the DPMS Oracle Semi Auto Rifle is just for you. This firearm is chambered in .308 Winchester/7.62 NATO Rifle and has a 16" barrel. The magazine holds 20 rounds of ammunition and the rifle has a collapsible stock. The A3 upper receiver and gas block allow quick attachment of either optics or detachable Iron sights.Specifications: Barrel Features: 16" 4140 Chrome Moly Steel Barrel with .308 A2 Flash Hider Rate-of-Twist: 1:10" Upper: A3 Style Flattop Upper with Hard Coat Anodized Teflon Coated Black Lower: Billet Hard Coat Anodized Lower Sights: None/Optics Ready Forend: Carbine Length GlacierGuards Weight: 8.3 lb