Great Lakes Firearms Saved By The Splatter features a black, threaded 4150 CRMOV Nitride heavy barrel; No brace, pistol buffer tube only; .223 Wylde calibers shoots .223 Rem and 5.56 NATO; M4 feed ramp; black Mil-Spec polymer grip; black oxide 0.750 Gas Block and Pistol Gas Tube; muzzle brake designed to be 6 degrees forward, wrench tightened w/o Loctite; Picatinny rail and a trigger pull of 5.5-6 lbs. Includes one magazine and muzzle brake.