AR-308 owners know the importance of a clean bolt and bolt carrier group. Carbon and fouling can build-up in these areas, causing jams and malfunctions. The B.O.N.E.® Tool was designed specifically to clean the bolt carrier assembly area of .308/7.62 rifles.
This quick-clean tool serves four purposes- Scrapes carbon and fouling from the:
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.
Big Book Catalog, Issue:67, Page:076
For .223 cal./5.56mm Modern Sporting Rifles