I just found data for longshot powder with 7200 psi @ 1350 fps. And that's with 1 1/4 oz bismuth. That should be ok on my old gun. What do y'all think. It's on hodgdon site. It's for a 2 3/4 in but I'm sure I could find a way to get it into a 2 1/2. Any comments.
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