I believe that most waterfowlers use a modified choke with steel shot. I`ve been using one ever since the steel shot laws came into effect. I use BBB or BBs and mostly #3 in my Express. I`ve had no trouble with either.
Ron
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I would never go to a full choke for any non-toxic shot.....modified is tight enough and like I have said in other posts light modified is probably perfect.....
Ron - what shells do you use the most??
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I did it last year because I didn't get my gun until about a week before the season started and I was just shooting smaller than 2's. Results were less than steller. My barrel never started to bulge, but I only shot it about 50 times.
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Adam, most of the time I use 3" #3s with a modified choke. This is for all of my duck hunting and for geese over decoys(works for me). I use my 10ga with reloads for pass shooting geese.
Ron
__________________
Quail is the virgin
Duck is the mature woman
......Iron chef