I have a Trijicon RMR sight on my Glock 40. I am very pleases with it
Me too. I've not handled the SRO. If it's better than the RMR, it's pretty good.
I got the Trijicon suppressor sights to co-witness the RMR. Helps find the red dot faster.
Also dropped in a 7" KKM barrel. Prefect fit. Had my smith, who is a Glock trained police armorer, do a trigger job. He retired from the local SWAT team, was a sniper.
DF