Made by .223 owners, this tool was designed to provide you with the most comprehensive carbon removal capabilities ever. With a rotating pin punch, cotter pin puller, interior bolt and exterior bolt scrapers, bolt lug Scraper, bolt Cam pin Scraper, small and large firing pin scrapers, imbedded 360 degree phosphor bronze bolt tail brush, replaceable rotating multi-surface bolt brush, bolt face Scraper, bolt carrier Scraper, and firing pin face Scraper this tool is carbon's worst enemy. Each of the fold out tools lock into place with liner locks or detents. With labeled tools, the carbon boss helps you to get the job done quickly and get it done right. This eye catching, quality, and remarkably effective tool trail blazes the road to the new world of modern gun maintenance..