Check the listing for details. Muzzle lapping kit rifle pistol barrel gunsmith tool for remington 700 mauser 98. Condition: New. Listed at 13.65 USD. Here is a 45 degree brass muzzle lapping kit. The kit includes a small container of silicon carbide lapping compound to remove the micro burrs on the end of the lands and grooves at the barrel crown. It has a range from .17 to .50 cal. The shank is 3/8" diameter. It can be used on a lathe or hand drill. Just dip the tip of the lap in the compound and run at medium speed and apply light pressure. Note: This is NOT a crowning tool. It is to remove micro burrs after a new crown is cut or touch up an existing crown. Please ask any questions before bidding. This is the ORIGINAL lapping kit on ebay. Don't be fooled by the copy cats that steal my ideas! Check my feedback and other auctions for the brass lap alone and other gunsmithing tools. This is an AMERICAN made product made in house on cnc machinery !!! Free shipping in the USA. Sorry, No sales outside of the USA. Thanks for looking !!