between me and friends weve thinned of the grey squirrels at our spot, wev'e shot a good 60+ in the last year - at request, if you shoot with a mate it's always good where one goes one side of the tree and one the other, that always works for us but obiously watch where your shooting! as zini and others have stated, always a head shot!
I've also noticed that once they have gone around the tree, if you stay stood still and don't move an inch the can't resist just popping the head up for peak, shot plenty where they have got curious and presented the head, satisfying shots!
our best was