I have a Tombcat with whiskerbiscut and extreme sight. If i move my biscut over to where it shoots through paper rightthe sights won't move over far enough to the left. I took it to a shop and they moved the biscut back to the right and it shot fine but got home and it wasnt shooting right again. Its very hard to tune but the best place on paper is to the left. The usual guy wasnt at the shop it was a kid. What am I doing wrong?[]Season starts monday.