Nice. I love me some RIS, but admit I run a URGI more frequently.

Do you actually employ that magnifier much? I love EOTechs, but I've never jumped on the magnifiers and instead go to LPVO when I want magnification. Maybe I'm missing the boat for the best of both worlds?

Have you tried any of the more vertical grips? My wrist hurts just looking at these pictures.

The only thing "Colt" on this build is the upper receiver and the BCG. 14.5" Griffin Armament HEDP barrel: