The 6mmBR.com reference and Dean Speir's site -
http://www.thegunzone.com/30cal.html - make this discussion about the differences between 7.62x51 and the 308, the second most read page at my site.
I see my articles about the 7.62x51mm mentioned around the Internets. It's nice to see. The original article is here -
http://www.303british.com/id36.html Too bad I don't get residuals like they do on TV.