For AR15 rifles; Scrapes and cleans all 4 major parts of the bolt carrier group; 16 precision tools, scrapers/brushes, BCG carbon removal; Features a pin punch, cotter pin puller, detailing brushes; Demolish carbon from 13 surfaces on the bolt carrier, bolt, bolt cam pin & firing pin; Thorough, easy and fast, keeps your gun in the action; Includes nylon carry sheath