Barrel Lapping is easy and recommended! Barrel Lapping Kit includes Barrel Lapping Compound and the Brass Barrel Lapping Tool. When hand lapping a barrel use the brass bit in a drill. Lapping a barrel is a great way to remove burrs on the muzzle. Lapping a rifle barrel is a great form of maintenance. What is barrel lapping? Hand lapping rifle barrel to remove burrs.
How to clean dirty valves? : r/MechanicAdvice
Lap your barrels to make them shoot better and easier to clean. Lapping polishes out the tool marks left in rifle barrels during manufacturing.
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