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9mm major


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The data above is for a 147 HAP at 1.142" OAL.  You may have to throat your Barsto barrel to chamber that length.  Come to think of it, I've never had a Barsto barrel that did not need throating.

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22 hours ago, dubltap said:

what powder will push a 147 grn 9mm to 1100 +/- fps using a 5 1/4" barsto ported barrel.

If you want to make MAJOR you’ll need to get to 1,170 to make 172PF

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