MSR/AR 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 .223 cal./5.56MM rifles.
This quick-clean tool serves four purposes:
Scrapes carbon and fouling from the:
Note: While this tool fits many bolts flawlessly it may fit some bolts better than others due to variance in bolts by different manufacturers.