For those wondering about Mil vs MOA scopes and reticles, Cal at Precision Rifle Blog (PRB) has got a pretty decent article discussing the 2 systems.

http://precisionrifleblog.com/2013/0...ve-comparison/

It's not clear if he is affiliated to the Precision Rifle Series, but all his stats seem to come from PRS competition.

If you shoot long range, it's well worth subscribing to his Blog.