Scope choice for a mile

The 7-35 is optically superior to the 5-25. Regardless of the magnification you may use get the 7-35 if you go NF.

That said the ZCO is slightly better than the atacr. It’s a touch better in low light and ocular doesn’t rotate when changing magnification. I prefer the dial to push button on the ZCO illumination. The parallax dial is also better as the NF tends to be off on almost every one I’ve owned

I like my NF. I wouldn’t pay full price for one. But for $2600-$2800 from the px it’s decent. My ZCO is just a touch better and I picked that up from the px here as well
 
I have been using Gen 3 6-36 Vortex Razor for three years regularly shooting one mile plus. You should consider this scope.
I run 20 moa base on rifle plus 20 moa scope base for 40 moa total. I can zero at 100 yards and still have plenty of of adjustment left past a mile. That’s with 6.5 Creedmoor and 300WM

Glass is fantastic. Tracks perfectly and can be had around 2k Just my favorite