Brownells Threaded Sleeve for Mauser Large Ring Bolt Lapping Tool

The Brownells Threaded Sleeve for Mauser Large Ring is a precision gunsmithing component designed for use with bolt lapping tools on large-ring Mauser rifles. It threads onto the bolt lapping tool assembly to ensure a proper, secure fit during the lapping process. Compatible exclusively with large-ring Mauser actions, making it an essential replacement or supplemental part for gunsmiths performing bolt face and lug lapping work on these classic rifle platforms.