01-22-2020, 03:35 AM
sbowhuntr Wrote:A5BLASTER & FLshooter, do you lap until the whole surface is exposed raw aluminum or just enough to get rid of any imperfections from the hca. I did 2 of my others but only slightly lapped so most of the hca was still intact.
I lapp it till it's uniform. Most times that means it is bare aluminum. Sometimes not.
Lapping in my mind doesn't really do anything for accuracy. But it does tones for bolt life. Squaring it up makes for a much more square bolt lock up and longer bolt life.