A dirty bolt carrier group (BCG) is the leading cause of AR-10 malfunctions. Keep the bolt and other moving parts clear of carbon buildup and other grime with the Real Avid® AR-10 Scraper. This convenient tool features a single fold-up blade with multiple, precision-machined scrapers, designed to remove carbon from 11 different bolt surfaces for maximum versatility. Plus, an integrated bottle opener stands ready to pop open your favorite bottle of suds after a day at the range