Does anybody have any experience with these loads for geese? I shoot a very old winchester model 12 with a fixed full choke so I can't shoot steel through it. In testing bigger pellet sizes for turkeys I found that it shoots incredibly loose and holy patterns with bigger shot (#4) but it patterns very well with the #5 boss shells. My thought is that the duplex load might work in this particular gun because it's not a full charge of bigger pellets and the 5s should fill out the pattern a bit. I could be totally off on this but it's a compelling argument in my own mind.
These are the patterns with the boss #5s
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