Do I Need QD Zero Mounts?

Yup QD mounts are the best for that kind of first world problem for sure. There is usually minimal change in the POI when you take them off and on. It's how I do it on my Impact. 

Oops I lied again. Darn me anyway I wish I could stop that. ;^) I have QR mounts on my ATN 4K scope but only the FX No Limit mounts on my Aztec scope. These are what I use on my Impact. They both return to very near zero after re-installing them.