Anybody know of a good look through scope mount for a ar 15?

[T. B. Turner]

I need a look thru mount that I can use with a scope and a flip up sight. I have the a2 style front sight with the carry handle rear sight with a Leuapold mount that attaches the scope to it, with a Nikon 3x32 scope. But is difficult to look through the little hole in the mount, the mounting stud blocks part of the view. So I am hoping to find good look thru mount.
Thanks in advance
T. B.