Joel--I use the standard full choke in my shotgun. It's pattern is plenty tight enough at 40 yards. On my pattern targets I usually have 7 to 9 #4 pellets in the kill zone. I think the problem with those super full chokes is that they are too tight. No room for error at those 15 - 20 yard shots. It's been my experience that I take as many shots at 20 yards as I do at 40 yards. Good Luck.