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