I shot today, 50 rounds of some cheap blazer ammo, and 5 rounds of GDHP +P... put 200 through the g19 too, but anyways... I've been cleaning in right, and I've been working on the barrel for about 45 minutes, solvent, swobs,and brush. It isn't smooth in there, it looks all scratched and flaky. I'm used to my glocks super smooth shiny looking rifling in the barrel... its not like super extreme, but it concerns me. Is this usual? Its a brand new gun, only 110 rounds through it.