Ghost Firearms Elite Complete Barreled Upper Receiver 9mm Luger 5.5in Blowback Type Gas System 4150 Chrome Moly Steel Barrel 1-10 Twist 7in M-LOK Free. Ghost Firearms designed these AR15 Upper Receivers with a one-piece aircraft-grade aluminum...
Ghost Firearms Elite Complete Barreled Upper Receiver 9mm Luger 5.5in Blowback Type Gas System 4150 Chrome Moly Steel Barrel 1-10 Twist 7in M-LOK Free. Ghost Firearms designed these AR15 Upper Receivers with a one-piece aircraft-grade aluminum...