Otis B.O.N.E. Tool FG-246
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. Designed for .223 cal./5.56mm Modern Sporting Rifles. Bolt Scraper for the Bolt, Bolt Carrier and Firing Pin - Scrapes carbon and fouling from the bolt. Bolt Carrier Scraper scrapes carbon and fouling from the bolt carrier.