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Unread 10-17-2015, 12:20 PM   #5
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Paul Harm
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If 19grs of powder is safe in a 12ga, you would only have less pressure in a 10ga. The chambers are a bigger diameter and that gives more surface area for the powder to push against - less pressure. Any 12ga load in the 8 to 9000psi range would be safe in a 10ga.
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