I just purchased a 1903 Spingfield from CMP and it is flat out nice. It does have a problem I don't know how to fix. The windage adjustment knob turns but the srew does not move with it so I have no adjustment. Apparently the knob was originaly connected to a thresded cap that turned the srew which in turn moved the sight. The sight won't move so I can't get to the crew. How do I replace it? anyon e ever have this? If so what do I do!:banghead: