On my PS90 - When I had a laser on 1 side and a flashlight on the other - the item on the inside of the rifle always bumped me and was really irritating after a while... (when carrying the gun on a sling at the range)

Well, I FINALLY can mount 2 items on 1 side!

This is a custom modification of Critical Dimensions double side rail.

Now, I can have both of my items back on the gun, and leave the inside side rail empty...