This is a Real Avid Multi-Tool known as the Scraper, model AVAR15S.
The moving parts on an AR15 require a precision-scraping solution" so Real Avid developed The AR15 Scraper-the first scraper designed to clean 12 critical surfaces on the bolt carrier group. The innovative" double-ended swivel design saves time by removing carbon quickly and easily from the entire bolt carrier group.
Features:
Quickly Removes Built-up Fouling
Saves Cleaning Time
Double-Ended Swivel Design