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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7 mm SHERMAN SHORTMAG vs 7 SAUM
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<blockquote data-quote="bigngreen" data-source="post: 1250882" data-attributes="member: 13632"><p>Didn't take it like your were disputing it, just throwing that info out there. The case design certainly causes less bolt thrust, I have no doubt it is running some pressure but until a barrel is made and sent to get direct pressure testing done there is no way to have a rock solid number so we really just run on case integrity as the main identifier of what pressure we can operate at.</p><p></p><p>I have shot compared loads from some 6.5 SAUM guys and taken them and ran them in my barrels and even though the capacity is nearly identical we shoot very different velocities, in one case the load the other was shooting was at his top end and it was fire forming load in the SS with primers still rounded totally so there is something to the case shape that makes something happen different.</p></blockquote><p></p>
[QUOTE="bigngreen, post: 1250882, member: 13632"] Didn't take it like your were disputing it, just throwing that info out there. The case design certainly causes less bolt thrust, I have no doubt it is running some pressure but until a barrel is made and sent to get direct pressure testing done there is no way to have a rock solid number so we really just run on case integrity as the main identifier of what pressure we can operate at. I have shot compared loads from some 6.5 SAUM guys and taken them and ran them in my barrels and even though the capacity is nearly identical we shoot very different velocities, in one case the load the other was shooting was at his top end and it was fire forming load in the SS with primers still rounded totally so there is something to the case shape that makes something happen different. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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7 mm SHERMAN SHORTMAG vs 7 SAUM
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