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.