hey all i finally got around to cleaning out the trip 7 blue lube and took a good look down the barrel well guess whats there ,about the last inch and a half before the breech plug threads it looks like it was never machined or polished its all rough looking , the rest of the bore looks fine , suggestions please , should i do he jb at the breach only , or the hole barrel ? wont that make the bore bigger > ?as i told my wife once once u have a baby things get bigger lol , i dont want to wreck it now it shoots fine