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What is the PSI of your 300 gr and 405 gr 45-70 factory loads?

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The 45-70 we load is much less than 25,000 PSI or 25,000 CUP. That's why it says it is okay for any 45-70 gun in good condition right on the box. This includes original trapdoor Springfield rifles and both bullet weights that we currently offer.


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