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Rifles, Reloading, Optics, Equipment
Reloading
.375 H&H Brass to .340 Weatherby Brass Conversion Question
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<blockquote data-quote="longestrange" data-source="post: 2027104" data-attributes="member: 75265"><p>Thank you for your input. Prior to undertaking this project, I had a look at the SAAMI 'voluntary' pressure specifications for both the 375H&H and the 340Wby Mag. Max average pressure for the .375H&H is listed as 62 ksi. Max average pressure for the 340Wby mag is listed as 62.5 ksi. That is about .8% difference. I doubt the lawyers for the ammo mfg's let them use antique brass and corderite anymore, but I'd love to have a few for my collection if you find any. Meanwhile, I'm willing to accept the risk and move on to converting some modern brass.</p><p></p><p>Here is a link to the specs, pages 33 and 32 for the 375 and 340:</p><p><a href="https://saami.wpengine.com/wp-content/uploads/2019/02/ANSI-SAAMI-Z299.4-CFR-Approved-2015-12-14-Posting-Copy.pdf" target="_blank">SAAMI Specs</a></p></blockquote><p></p>
[QUOTE="longestrange, post: 2027104, member: 75265"] Thank you for your input. Prior to undertaking this project, I had a look at the SAAMI 'voluntary' pressure specifications for both the 375H&H and the 340Wby Mag. Max average pressure for the .375H&H is listed as 62 ksi. Max average pressure for the 340Wby mag is listed as 62.5 ksi. That is about .8% difference. I doubt the lawyers for the ammo mfg's let them use antique brass and corderite anymore, but I'd love to have a few for my collection if you find any. Meanwhile, I'm willing to accept the risk and move on to converting some modern brass. Here is a link to the specs, pages 33 and 32 for the 375 and 340: [URL='https://saami.wpengine.com/wp-content/uploads/2019/02/ANSI-SAAMI-Z299.4-CFR-Approved-2015-12-14-Posting-Copy.pdf']SAAMI Specs[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
.375 H&H Brass to .340 Weatherby Brass Conversion Question
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