If a dedicated scoped rifle is the goal, the CASM mount is a good solid option. In my opinion it really only looks "###y" on a rifle in a chassis. It's also a PITA to swap out back n forth with irons.
The Arms 18 mount is also a pretty good option. With the availability of pro-mag knock-offs (old style spilt mounts), Mystic Precision usually has stock) the price is agreeable, and function is pretty close to to the original. But nothing really beats an original ARMS airborne mount!
If you want to have a rifle that you can remove the scope "willy-nilly" for load development etc. The Basset is the answer. I have one, and it really lives up to the hype!
I tend to like the look of the ARMS split mount, when not wearing a scope on the rifle.....
If you ain't spending at least $150-$300 you will have problems with the mount IMHO......