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04-30-2023, 12:36 PM | #3 | ||||||
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Thanks Edgar. I'll look into that manual
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04-30-2023, 03:01 PM | #4 | ||||||
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All powder companies have websites with loading data. 3" data is sparce, but they all have something. I use my normal competition 2 1/2" .410 loads for my 3" shells and fill the case with shot. The extra shot may raise the pressure a bit but not to an unreasonable level. My 2 1/2" load is 14 plus grains of 296 and an orange PC wad. A AA Winchester wad or a Remington wad is just as good.
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05-29-2023, 11:16 AM | #5 | ||||||
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If it were me I'd forget the BPI manuals. Just about everything in them is for the products they sell [ which is ok I suppose, but not really informative ] and second I believe they use computer generated formulas, not real testing.
I second what Bill said. Just get for free the powder companies reloading booklets. Look em up on the internet and give them a call or email and they'll send you one.
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Paul Harm |
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