My stainless Omega barrel insidelooked like a mirror when I got it. It was a bear to load any sabots and when I started checking I found the barrel to be slightly smaller than any of the other .50 ML that I had and after I ran 200 passes with JB bore paste on a patch over a brass brush the rifle settled down and was easier to load. I find the muzzleloaders to be very wind sensitiveand ona very calm day I have shot a couple of clover leaf targets at 100 yards but never a single hole.