Otis Technology The B.O.N.E Tool Bolt and Bolt Carrier Cleaning Tool (Select Your Caliber);

The B.O.N.E. Tool was designed to clean carbon and fouling from the bolt area of 5.56 mm /.223 or 7.62mm. This quick-clean tool scrapes fouling from the bolt, bolt carrier and firing pin. Also includes an 8-32 threaded hole to act as T-handle.