This thing is a beast, big and heavy - OpticsPlanet Exclusive SightMark Ultra Shot Plus Red Dot Reflex Sight

I put it on a tactical shotgun and took it back off. I really like it but can't figure out what to mount it on because it's so dang big. Other than size it has 4 modes and with astigmatism in my eye the cross and circle are much easier to put on target than a plain red dot. I also like the two color options. It seems really well made. Did i mention it's really big? I'm talking 4x the size of my Sig Romeo Zero.