6-18x Redfield accu trac scope/
minor ring marks, clear and clean optics
using 18" stadia wire to range out to 600 yards and then elevation turret has interchangeable dials for your caliber. Dial in range and shoot. Comes with one dial and instructions. Other dials available cheap form www.abousainc.com.
Also can read on the accutrac at that site.
$200 and shipping