Otis BONE Tool for AR-15 Bolt Carrier Group
This guide details how to effectively clean an AR-15 and .308 Bolt Carrier Group (BCG) using the Otis B.O.N.E. Tool, as demonstrated by sootch00. The tool is specifically designed to remove stubborn carbon fouling from critical BCG components, including the bolt tail, firing pin shoulder, and the interior of the bolt carrier. Proper disassembly and cleaning techniques are crucial for maintaining firearm reliability, especially in direct impingement systems.













