I guess most of you already know this, thought I would post it anyway since I didnt know and never read about it anywhere, its about cleaning. I always clean my rifle as good as I can, after shooting, at least I thought, I had my GPR shooting excellent one hole groups, then today while reloading it, I noticed that cleaning tip for cleaning down in the breech plug area, thought I would clean it, since I had forgotten about this tip, well, out came chunks of dried powder residue, So when I reloaded and shot, my groups moved 3 inches to the left and are staying there. hard to believe that stuff was in there after all the cleaning i do to that rifle.