Lightweight billet upper (flat-top) and lower receiver; Wilson Combat Tactical Hunter profile match grade barrel; Intermediate length gas system with lo-profile gas block; 5/8"x24 threaded muzzle with thread protector; Wilson Combat M-LOK rail (suitable for gas block coverage) with three Wilson Combat rail covers; Wilson Combat/BCM Starburst Gunfighter Black Grip; Wilson/Rogers Super-Stoc; Wilson Combat TTU (Tactical Trigger Unit) M2, 4#; Premium Bolt Carrier Assembly; Armor-Tuff finish applied over Mil-Spec Hard Anodized Upper/Lower receivers