Start of lstUrls_of_images_in_html_descriptionProduct Number: FG276 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. Simply insert the bolt into the U-shaped end of the tool and twist to scrape fouling. Use the bolt carrier reamer to scrape carbon from the bolt carrier. Features Caliber Specific for 308 Winchester & 7.62mm bolt carriers Includes a 8-32 threaded hole to act as a T-handle One tool cleans the critical areas of your firearm Bolt Bolt carrier Firing pin Note: While this tool fits many bolts flawlessly, it may fit some bolts better than others due to variance in bolts by different manufacturers.End of lstUrls_of_images_in_html_description