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The Hodgdon data is for a Barnes TSX. That is a copper monolithic bullet which is longer and tougher than your average jacketed lead bullet of the same weight. This means it takes up more space inside the case and is harder to drive down the barrel, meaning more pressure.
That's why the Hodgdon data is significantly lower - the two bullets are not comparable. Use the Speer data.
Ahhh, that makes sense. Good spotting, I didn't see that
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