I think it depends on how you visualize range. If you see something at 265 yds you know 1 MOA = 2.65". 1/4 MOA = about .7" . How much does a MilR = at 265 yds? However, at 265 meters you know 1 MilR = 265 mm and .1milR =26.5 mm. Both work fine if you use the same system to range and adjust...