Sproul: Either solution, yours or Jasons will probably solve your problems. I'm constantly amazed by those Excal scopes doing exactly what they advertise. Also have a Leupold VX II 2xX7x w/ xbow reticles that does the same only it's ring is not graduated in fps. If you do decide on Excal scope, my advice would be to fix the dial-a-rage permanent in one position. From what I've read, it's a simple process involving a longer screw and a wood dowel and is easily reversible.