I shoot lots of sq. all season over dogs and occasionally slipping with the boy in tow.
4x is low enough on the low end. It is the rare sq. shot at ten feet you need 2x for. You need AO for that long stuff. Fixed focus for rimfire won't reach. The very best is out of my budget. So I don't know about that. Been satisfied with Weaver.
My main sq. gun wears a 2-7x because it is also my deer training clone. Generally crank it up around 4x on sq.
I've easily shot over 4,000 squirrels since the mid '70's and have never needed a scope with AO for shots from 10 feet out to 75 yards. My main squirrel rifle wears a 2-7 Nikon pro-staff shotgun scope with 75 yard parallax and duplex reticle.
