I am going to put an Athlon Ares etr on my .300wm. I have always been moa and can't see an advantage to go mil. In fact, the way I see it, moa is better.
At 100 yards, 1/10th mil is about .36" vs .25 or .125 with moa.
At 1000 yards, 1 moa is 10 inches...