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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New 30/375 wildcat
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<blockquote data-quote="Pdvdh" data-source="post: 570435" data-attributes="member: 4191"><p>Rich,</p><p>Here's what happens if we leave the 375 Ruger case shoulder right where it is, at 2.180" long from the case head. Employing the 40-degree shoulder will push the case head to case neck junction dimension from 2.275" on the 375 Ruger case, to 2.290" on the 30/375 improved case. </p><p></p><p>If the case neck doesn't grow in length as it's sized down from 0.405" to 0.337" OD, then the case neck on the 30/375 would be (2.580" – 2.290") <strong>0.290</strong>" long. </p><p></p><p>If the case neck grew 0.010" in length when the OD was sized down from 0.405 to 0.337, then the case neck length on the 30/375 would be <strong>0.300</strong>" long.</p><p></p><p>Proceeding in this manner wouldn't require the purchase of the 375 Ruger full length sizing die for the purpose of setting the 375 Ruger shoulder back 0.010 to 0.015". But if you really want the case necks 0.320" long, then purchasing the 375 Ruger full length sizing die should do the trick, in my opinion.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 570435, member: 4191"] Rich, Here’s what happens if we leave the 375 Ruger case shoulder right where it is, at 2.180” long from the case head. Employing the 40-degree shoulder will push the case head to case neck junction dimension from 2.275” on the 375 Ruger case, to 2.290” on the 30/375 improved case. If the case neck doesn’t grow in length as it’s sized down from 0.405" to 0.337” OD, then the case neck on the 30/375 would be (2.580” – 2.290”) [B]0.290[/B]” long. If the case neck grew 0.010” in length when the OD was sized down from 0.405 to 0.337, then the case neck length on the 30/375 would be [B]0.300[/B]” long. Proceeding in this manner wouldn’t require the purchase of the 375 Ruger full length sizing die for the purpose of setting the 375 Ruger shoulder back 0.010 to 0.015”. But if you really want the case necks 0.320” long, then purchasing the 375 Ruger full length sizing die should do the trick, in my opinion. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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New 30/375 wildcat
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