Thanks bro, you just solved my riddle. I just went through the same drill with a C-More Railway I mounted on my 16B and then a 16C. I had to get up to 10 yards to get on paper to find out I was about 18” high and 10” to the right…at 10 yards! I could not figure what I was doing wrong. The thing only goes on one way, what the hell was I doing wrong??
Anyway, you just answered my question, Thanks! Now, as to a solution, I have seen mounts that were w/e adjustable, but I don’t remember where. They were fairly pricey though.