I use the Mad Max Choke - Put a bird between you and 40 sure thing - Confidence in your guns performance is very important when hunting turkey - I purchased the choke because it looked good on the gun - 870 3inch 21 inch barrel - Boy was I shocked with the performance - I even purchased one for my dad's gun Browing Gold 12 Turkey Gun that I purchased him for Christmas one year - That same year he took two birds at over 55 paces - I was the witness These tubes will perform