Originally Posted by Topgun 3006

It just depends on the particular gun as far as what combo it will shoot best. I have a .665 constriction Carlson choke tube that shoots much better patterns at all distances than a tighter .645 one, so the latter doesn't get used. If I were you, I would stay with the full choke if you are satisfied with the pattern and number of pellets it's putting in the kill zone. You may want to go out to 40 yards to see what it will do if you haven't already. Just don't shoot further than what it will put a decent number of shot in the kill zone.