My pre 64 Winchester 94 has rear sight that is cockeyed. The blade and sight are to the left of center and the whole sight has been drifted right but still not enough to get it to shoot anywhere near point of aim. The gun is in excellent condition with 100% finish or close to it. I have been on the internet off an on for a while trying to locate a replacement. So far they are all quezsionable, as to finish etc and pretty expensive. First question is there a way to fix this one? Second where is a source and does the sight drift in from the left or the right?