I am currently designing my dream long range rifle. I will mostly use it for target and some hunting for whitetail/coyote/moose during seasons. It will likely be a remington sendero in 338 ultra mag, mcmillan benchrest stock. shooting in the 400-1000 yard range. what scope do you use? preferences? I was thinking of a Leupold target in either the 35x, 40x or 45x. I have used a leupold 6.5-20 on my 7mm mag before and liked it but feel that out to 1000 yards this will not do.