I killed a lot of birds back in the 90's-2000's with a Comp-N-Choke XX using Winchester #5s. I killed a lot of turkeys. But after I shot my first bird about 10 years ago with Hevi-Shot and saw what it did to it's head....I haven't looked back. It was the best choke at the time for lead. I wish they would make a Hevi-Shot tube, but after 10 years, I doubt they will.