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By comparison, 1 mil is exactly 3.6" at 100 yards - it's defined as 1/1000 the distance to the target, so if 100 yards is 36 x 100 inches = 3600 inches, 1 mil at that distance is 3.6"). It's therefore 7.2" at 200 yards, 10.8" at 300 yards, and so on all the way to 36" at 1000 yards.
Generally, good scopes with mil-system turrets typically offer 1/10 mil clicks (vs. the 1/4 or 1/8 MOA clicks that scopes with MOA-system turrets provide), and usually a mil-system reticle will have some elements that are as small as 0.2 mil for ranging purposes, and some even go down to 0.1 mil in some areas of the reticle or for some elements (maybe the width of the crosshairs themselves).
I'm still not sure why any of this matter for targets, though. You don't hear a lot of people talking about how their rifle shoots to some fraction of mil, even though they may be shooting using a scope with a mil-system reticle and turrets. You still read about the sub-MOA rifle, the 0.25 MOA group, the 4 MOA Garand, and so forth.
If the idea behind an "MOA" target is to have an element which is 1MOA big at some specific distance so you can try to shoot a group inside that element, then that will be good no matter what sighting system you're using.
Generally, good scopes with mil-system turrets typically offer 1/10 mil clicks (vs. the 1/4 or 1/8 MOA clicks that scopes with MOA-system turrets provide), and usually a mil-system reticle will have some elements that are as small as 0.2 mil for ranging purposes, and some even go down to 0.1 mil in some areas of the reticle or for some elements (maybe the width of the crosshairs themselves).
I'm still not sure why any of this matter for targets, though. You don't hear a lot of people talking about how their rifle shoots to some fraction of mil, even though they may be shooting using a scope with a mil-system reticle and turrets. You still read about the sub-MOA rifle, the 0.25 MOA group, the 4 MOA Garand, and so forth.
If the idea behind an "MOA" target is to have an element which is 1MOA big at some specific distance so you can try to shoot a group inside that element, then that will be good no matter what sighting system you're using.
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