The correct choke is a function of the range you intend to hit your target. Typically our objective is to have a uniformly spaced pattern of about 30 inches diameter at the engagement distance. That means a skeet choke for the typical skeet distances (22-24 yards), and a mod choke for 16 yard trap (where the target is hit at about 34 yards.) For trap handicap distances (20+ yards back of the trap house and an engagement distance of about 38-39 yards), one might choose an improved mod, and if you are one of the really good shooters with a handicap at the back fence (27 yards), you might have a full, extra full, or super full. You match the choke to the distance you are shooting.
