Quote Originally Posted by KellyTTE View Post
No one else makes a rear BUIS that will line up with that non-standard plane height Hayes front BUIS.
I expected that.

When I eyeball it, that Hayes Research front sight just doesn't look that much lower than my PRI flip-up or Troy Industries flip-up. Guess it doesn't take much though.

I may mount the Hayes Research and Troy flip-up front on the same rail for comparison.

Mike