Thats pretty interesting, I have quite a few BDCs for the M3 and MK 4 M3 variable power (3.5-10), I will have to look and see what I have, I know there are a couple of odd ones in there. FWIW when we (Remington) would get new optics in from L&S, they would come with 308, 223 and 300WM dials, we...