Billet upper (flat-top) and lower receiver; Wilson Combat Super Sniper profile match grade barrel; Rifle length gas system with lo-profile gas block; 5/8" x 24 threaded muzzle with thread protector; Wilson Combat M-LOK rail (suitable for gas block coverage); 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