3 Pieces - 45 Degree Brass Muzzle Laps.

You Can Use These With 600 Grit 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.   Made In USA. 

The Shank Is 3/8" Diameter.  It Can Be Used With A Hand Drill At Low RPM.  It Can Be Used After A New Crown Is Cut Or To Smooth Out An Old Crown.  

Thanks For Looking At Our Products.

We Have Muzzle Brakes And Thread Protectors In Other Auctions.