I tried putting an Aimpoint T1 on top of my Moss 590 using what I think is a mossberg factory picatinny rail and then the built in aimpoint mount. I didn't like it because it required me to hold my head too high off the stock to see it because the height over bore due to the rail and mount height.
I want to reconsider this again. Is there any better option? It seems like Aridus only makes a 590 mount for the trijicon RMR which is something I don't have experience with. I've always been an aimpoint fanboy but I'd be willing to consider the trijicon RMR if it's really better.
I have a Magpul stock on my 590 and I think Magpul makes a cheek riser that might be just the ticket. Although there's still some concern it might change the recoil because I'm no longer hugging in as tight because Id be standing differently to be able to look through the aimpoint.