Guys, I've got my old Combat Elite IR now on my bush rifle project.  I've got it sighted in for 200 yds.   The BDC cam on this thing likely cannot be replaced and the BDC adjustments are for 5.56 M193 in meters.  Settings are for 100, 200, 300, 350, 400, 450, and 500 meters.  Anybody help or point me to a site with crossovers for 147 gr. FMJ 7.62 NATO?  I'd like to remark this cam.  Thanks in advance.

http://www.kentonindustries.com/

This may help - Les