Made extra thick from MTM quality plastic. Vise-ready to keep AR-15 rifles are secure for safe, cleaning, assembly, and repair. Fits AR-15 and 308 AR DMPS and SR25-sized mag-wells. Proudly made in the U.S.A. a Fits AR-15 and 308 AR DMPS and SR25 sized mag-wells a AR link included for easy cleaning a Holds firmly and securely a Angled mag-well block for easier accessibility Engineered and manufactured in America