Not everyone wants to or can afford to spend $1000+ on a 1-4 scope, especially for a range only AR, the Hi-Lux CMR is a great scope for the money and fills big a gap in the market. I don't notice fish eye with mine.
If money was no object I would probably go with a Nightforce or Trijicon but I actually like the reticle on the CMR better than all the other options available. Yes there are better scopes out there but not for under $1000.
I prefer to spend the big dollars on my long range optics, for under 300yds it isn't as critical to have the best glass available.
cr5 you are the person who recomended me the Hilux when i bought my first XCR-M... I agree there are very good and i now use many of them... Thanks. JP.