You might want to try the Leupold Longrange with the side wheel focus and the 30 MM tube.
They come in a 6 1/2X to 20X and also the 8 1/2X to 25X.
They have enough elevation clicks available to get you where you want to go.
Check some of the other forms advertiser's for the best price.
www.xtremeaccuracy.com
is one to check.
Darryl Cassel