i was told by somebody in some other thread that they shoot up to 600yds with a 1-6x scope, and i just go, well, sure you do...
a turkish walnut on the varmint is pretty good, i like it. just got it.
I guess it depends on what the target is. If it's a large piece of steel, then you don't need to see impact, you can hear it.
As for the walnut... While the wood has been nice on all of mine, it's very plain without much grain.