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Rifles, Reloading, Optics, Equipment
Reloading
7mm STW Dented cases & cracked above the belt?
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<blockquote data-quote="Roninco" data-source="post: 2309833" data-attributes="member: 114195"><p>By design belted magnums have excessive clearance between the case shoulder and chamber; especially in factory guns.</p><p>Belted magnum cases may take several firings to fully expand to chamber dimensions. If you bump the shoulder back after only one firing the case will continue to excessively grow and result in the case failure you are experiencing. </p><p>Neck size only until the fired case rechambers with resistance then full length resize to bump the shoulder a minimal amount.</p><p>Any cases reloaded in your current batch should be discarded. They have over stretched above the web and are likely to crack.</p></blockquote><p></p>
[QUOTE="Roninco, post: 2309833, member: 114195"] By design belted magnums have excessive clearance between the case shoulder and chamber; especially in factory guns. Belted magnum cases may take several firings to fully expand to chamber dimensions. If you bump the shoulder back after only one firing the case will continue to excessively grow and result in the case failure you are experiencing. Neck size only until the fired case rechambers with resistance then full length resize to bump the shoulder a minimal amount. Any cases reloaded in your current batch should be discarded. They have over stretched above the web and are likely to crack. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm STW Dented cases & cracked above the belt?
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