Always ready - Trijicon RMR Dual Illuminated 9.0 MOA Green Dot Reflex Sight

I've only had this for 30 days but so far so good. Running it on a 22/45 ruger and love it. I've run 300 + round through it so far and it has held it's zero , the green dot is very easy for me to see the 9 moa dot good for fast fairly close shooting- out to 20 yards after that a smaller dot would be better. I would have been a little happier if I went with a 7 moa dot. But for a pistol the 9 works ok ,great quality no batteries no turning on and off always ready to go, just what I wanted.