I was using a Burris MTAC with the ballistic AR reticle and did OK with it. It tracked very well and held zero's. I had to use about 6 minutes of wind in the P100 shoot off and clicked every time. it's a shame the scope didn't call wind for me. the one issue I had with it was the 1/2 minute sights but it wasn't really a terrible thing,i just couldn't seem to find an X to save my life and that can make a huge difference when 30 other shooters shoot the same score and are places by x count.i just switched to optics about a month ago so it may just be me getting use to the new sight picture,i don't know.i will probably keep this scope on one of my practice guns and will be switching to either the Nightforce or March.i will have a chance to use both soon.the reason being isn't because the scope didn't do it's job at Perry, but because I know this scope isn't designed to do what we do with it for the long haul