Brownells 3-Piece Bolt Lapping Kit

The Brownells bolt lapping tool is a spring-loaded device designed to apply consistent, linear pressure, ensuring that bolt lugs remain square against the receiver during the lapping process with 600 grit - 800 grit silicon carbide abrasive. The 3-piece bolt lapping kits comprise a comprehensive set of precision-engineered tools specifically designed to optimize the performance and fitment of their designated firearm models