Hi there, I just came across this great forum and wondered if you could help me. I live in the UK and have a .223 Vixen and .308 Forester that I bought new in 1983 and 1984 respectively. The first thing I did when I got them was to remove the iron sights and plug the holes with 6-48 grub screws. I recently had a yen to try the .308 with its iron sights and raked through my box of bits to find all the parts. I found everything but the rear sight elevation clamp screw. It's listed as an M3.5 by 5.5 mm screw in the parts list. I have a lathe and can machine one up and blue it, but I want it to be an exact facsimile of the original. Could anyone take a high res pic of one and post it here? I shot the gun using an ordinary M3.5 screw and was surprised to find that it needed full right windage to get a 100 yard zero. Is this normal? Thanks in anticipation of any replies and congratulations on running such a useful forum.