Removes tenacious carbon fouling and powder residue from the bolt of your M4/AR-15, keeping it in peak operating condition. Winner of the 2014 American Rifleman Golden Bullseye Accessory of the Year Award.
Otis B.O.N.E.® MR Tool features:
- Scrapes carbon and fouling from the bolt, bolt carrier and firing pin
- Includes a 8-32 threaded hole to act as a T-handle
- Steel construction
- Measures 2-½"L
- Available for 5.56mm or 7.62mm rifles
Note: While this tool fits many bolts flawlessly, it may fit some bolts better than others due to variance in bolts by different manufacturers.