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12-20-2017, 07:19 AM | #3 | ||||||
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That load is pretty anemic with plastic wads as is , the general rule is to increase the powder charge by 10% when switching for plastic wads to card wads . I would start with a 1 grain powder increase and shoot it and see how it does to make sure they are not squib and over a chronograph to check velocity .
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12-20-2017, 07:50 AM | #4 | ||||||
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Thank you for the responses. Mark, that’s exactly what I wanted to know.
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12-20-2017, 08:47 AM | #5 | ||||||
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In old reloading manuals that had data for fiber wads, they recommended a 10% decrease of powder if loading " the new " plastic wads. If you're still using the SP-10 wad I'd leave everything where it is - 19grs/Red Dot. The hull itself isn't going to make much difference. It's the plastic wad that seals better making the difference. When loading my 12ga with fiber wads I usually go up 10% with the powder charge. There are some who only reload published loads, and some of us that kind of go by the seat of our pants - within limits. It's really up to you - good luck.
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Paul Harm |
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