Originally Posted by Steve in PA
With the MI mount, the TRS-25 won't co-witness. Actually, you can't see the rear sight, but since the mount is easily removed, if I want to use the iron sights the mount/RDS can be removed.
With aging eyes, iron sights can be difficult at times, so that is why I wanted to add a RDS to my WASR.
I went with the RS-Regulate side mount. You can still cowitness and they detach extremely fast. I was sold on the MAC review.