I have used published 28 gauge loads from the Alliant and predecessor books for probably 40 years using Unique powder. When I came up with a 4 3/4 pound 28 gauge Francotte, I used the same load I had been using for skeet competition, but with just over 1/2 ounce of shot with a bit of filler and no change in the powder charge. I have 16 pounds of Unique, which is enough for the rest of my forseeable life. If I had some RST empties, I would use this powder and loads.
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