The high speed turrets have 20 moa per rev,and stop when you set the zero to where you want it.So yes, you can tell what you have in your hands.Not trying to be a smart ass.
See 1:50 for the Hi-Speed None 0-Stop.
<iframe width="640" height="360" src="http://www.youtube.com/embed/MnRJinZaRPg" frameborder="0" allowfullscreen></iframe>