Thread: Damaged Crown

Originally Posted by RUMPY

The free floating is probably the biggest cause of your accuracy issues. I have heard of people cleaning up the crown with a countersunk head screw on a drill with a little bit of grinding paste on it. Just make sure you cut the screw short so it doesn't damage the inside of your barrel. Never tried it myself btw.

One of the old school brass crews with a rounded head works ok, fit the shank of the screw in to a drill, bit of grinding paste and a few seconds applying the rounded head to the crown.