Barrel Crowning

Do any of you crown your barrels if needed? Or re-crown an improperly crowned barrel?

I just finished recrowning the barrel on my ECHO1 M28, after I discovered the crown to be almost non-existant and filled with imperfections and burrs. I did not cut mine with precision, I merely deepend it with a ridge reeming bit (This can also be done with a larger drill bit), then defined it more with a Dremel tool. I finished the crown by polishing it smooth with emery cloth.

Just curious, as I do not see barrel crowning discussed much in Airsoft circles like I do in the airgun world...