I prefer MOA over Mil/Mil (I know, most prefer Mil, I find the math easier to do in my head with MOA), so this has to go.
4.5-27x Mil/Mil
Been to the range 2x, total of about 30-40 223 rounds on it
The rings I use are burris, 18 inch pounds
I zeroed at 100, went to 300 yards and dialed...