Product DescriptionOtis b.O.N.E.Tool for.223/5.56 ar-15
-Designed specifically to clean the bolt carrier assembly area
-Scrapes carbon & fouling from the bolt, bolt carrier, & firing pin
-Includes a 8-32 threaded hole to act as a T-handle
Note: While this tool fits many bolts flawlessly, it may fit some bolts
better than others due to variance in bolts by different manufacturers.