I put one of these on an AR15 today, mounting it with a Burris QD P.E.P.R. and went to the range ....
Didn't take long to establish a 100m '0' from the bench and then I tested the scope's ballistic reticle with the four mildots below the x hairs.
I cranked the scope up to '9' power (recommended in the destructions), set the parallax for the appropriate range and proceeded to ring the 100-150-200-380-500 m gongs! Holy Cow - it works! And with Chinese ammo.
I usually shoot prone after I've established '0', so I repeated the performance, hitting three for five at 500m. Had I used a sand bag prone, I think I'd have gone 5 for 5.
Then I did some off hand snap shooting at 25m and shot a nice 5 rd circular group of 2-1/2" that printed 2" below POA.
I liked the handiness of the rifle with a red dot (and the ability to co-witness with the BUIS) compared to the weight of the scope and PEPR mount, but it sure was fun to be able to reach out to 500m and hit.
Now I'll have my druthers when it comes to sight options. Life is good.