If you want to read about choke, go to Choke in Birdguns thread. It was discussed thoroughly with lots of opinions. King, interesting you have noticed waterfowl guns that shoot harder than others. I believe some guns shoot 'harder' than others. But why???? Barrel dynamics are complicated. In the live bird ring I saw guns which seemed to shoot hard. Others were feather blowers. I think it has to do with the forcing cones. Guns with relieved forcing cones don't seem to shoot as hard as others with tighter cones IMO. I have no scientific data to support my claim but this is what I have observed.....the last barrel alteration I would make to a live bird gun would be to lengthen the forcing cone.
