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Hunting
Long Range Hunting & Shooting
30 Sherman mag v Properly Throated 300Prc and 30 Nosler
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<blockquote data-quote="bigngreen" data-source="post: 1868830" data-attributes="member: 13632"><p>Improved cases can mask some of the pressure signs but not all, you'll still be able to measure case head expansion regardless of design. I know that's what Rich looks at as definitive so if your running ADG brass in all cases you will, to the best of our ability be able to run them at similar pressures based on head expansion. I know over the years I've taken SAUM and the SS running nearly exactly the same set ups down to having two barrels that were built back to back and you'll see different numbers at the same case head expansion, you can even feel a recoil impulse difference so there is more to it than raw volume. Loads should also be transferable if it's all about volume but I've seen nothing to suggest that.</p><p>You can mask bolt lift and thrust with case design, action design and chamber finish but that expansion on the case head I don't know of a way.</p></blockquote><p></p>
[QUOTE="bigngreen, post: 1868830, member: 13632"] Improved cases can mask some of the pressure signs but not all, you'll still be able to measure case head expansion regardless of design. I know that's what Rich looks at as definitive so if your running ADG brass in all cases you will, to the best of our ability be able to run them at similar pressures based on head expansion. I know over the years I've taken SAUM and the SS running nearly exactly the same set ups down to having two barrels that were built back to back and you'll see different numbers at the same case head expansion, you can even feel a recoil impulse difference so there is more to it than raw volume. Loads should also be transferable if it's all about volume but I've seen nothing to suggest that. You can mask bolt lift and thrust with case design, action design and chamber finish but that expansion on the case head I don't know of a way. [/QUOTE]
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30 Sherman mag v Properly Throated 300Prc and 30 Nosler
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