The Wheeler Delta Series Carbon Multi-Scraper stainless steel coated, compact tool is made to clean 11 vital surfaces of the bolt carrier group. The Wheeler Delta Series Carbon Multi-Scraper fits inside AR pistol grips. Includes a cam pin scraper, large diameter firing pin scraper, bolt face scraper, cotter pin removal tool, boat tool shoulder scraper, small diameter firing pin scraper, bolt lug scraper, bolt tail scraper, interior BCG scraper and bolt waist scraper.