rattus58,
I am not familiar with those shot cups. What gun and powder charge and shot charge are you using?
I have a single 12 gauge barrel for the .54 caplock Renegade. I use 80 grains of 2F Goex, same volume of shot and regular 12 gauge plastic wads I use for my trap gun like Winchester AA wads and other trap load wads. I also use an over powder card wad and an overshot wad.
Adam
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Adam Helmer
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