I've been working on this nightmare project since Oct 2016 and I finally have the slide and everything good. I took the RMR from my ACOG to see how it work and sometimes it gets to dim. Now I'm looking to just put on another RMR. Which one should I get? This will be for an 4.5 XDm 9mm with a custom slide. Pics coming laters. 
Thanks!

Thanks!


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