I GOT A DISSIPATOR UPPER TODAY WITH A ARMS #40 REAR SIGHT. I WOULD LIKE SOME ADVISE AS TO WHAT KIND OF RED DOT SET UP I SHOULD GET. THE FRONT POST IS SUPPOSE TO BE .040 TALLER THAN A REGULAR SIGHT POST(PER BUSHMASTER INFO). I'M WONDERING IF THIS COULD CAUSE AN ISSUE. ANY INPUT WOULD BE WELCOME.
THANKS,
THE NEW GUY,
DBAR