Made extra thick from MTM quality plastic. Vice-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. – Fits AR-15 and 308 AR DMPS and SR25 sized mag-wells – AR link included for easy cleaning – Holds firmly and securely – Angled mag-well block for easier accessibility