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Otis B.O.N.E. Tool

Otis B.O.N.E. Tool


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MSR/AR owners know the importance of a clean bolt and bolt carrier group. The B.O.N.E.® Tool was designed specifically to clean the bolt carrier assembly area of .223 cal./5.56MM rifles.

  • Scrapes carbon and fouling from the:
    • Bolt
    • Bolt Carrier
    • Firing Pin
  • Includes an 8-32 threaded hole to act as a T-handle

Winner of the 2014 American Rifleman Golden Bullseye Accessory of the Year Award

Note: While this tool fits many bolts flawlessly, it may fit some bolts better than others due to variance in bolts by different manufacturers.