In 50 yrs of messing with bolt action rifles I always believed that the lowest scope mount that would clear the bolt was the best way to mount a scope. ie The closer the scope height to the bore the better. In re re re reading one of Jack O'Connor's many treatises on the wonderful .270 Win he says something like this " I guess a scope mounted higher would make the .270 shoot flatter a lot further"(paraphrasing). He was discussing the advantage of a 300y zero over having a 200y zero. So I thought Id run it by the experts here for your considered input. High or low mounting for farthest flattest reach?