Download & Print
 
For a video tutorial, see “Muzzle crowning tool kit for military rifles, by Dave Manson” on YouTube: https://www.youtube.com/watch?v=b23lfzpZrJ4

Use electric screwdriver or low RPM hand held drill. Never use more than 300 RPM to avoid damage to the cutter blades. Recommended RPM range: 75-225.