Trying to choose between the Legion and the standard P320RXP. Same price, I really like the Legion, but I need optic sights. The Romeo1 pro is hard to find, and I think If I install that sight I may lose the co-witness feature the rxp model has.

Any input would be appreciated.

TIA

I had an x5 legion but sold it and bought a 320rxp. I had a 320pro but sold it.
I put a Sig magwell on the rxp and now it looks just like an x5. I prefer the sights in the rxp because the front sight on the legion was too thin for me. My romeo pro is dead on with the iron sights and the red dot in place. The rxp has taller sights to co-witness but the sights hit low for me. Might try a slightly shorter front sight.

OK, so are you saying the co-witness did not work on the RXP with the pro red dot?

Yes it does co-witness