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Rifles, Reloading, Optics, Equipment
Reloading
Regarding case elongation w/first firing, will base-shoulder always lengthen to match headspace?
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<blockquote data-quote="Mikecr" data-source="post: 1345963" data-attributes="member: 1521"><p>Yes. With low pressure loads the primer snaps back to the bolt face but the case does not fully stretch back to the bolt face(reseating the primers).</p><p></p><p>A rough chamber could contribute. I know it's never recommended, but some folks leave a little oil/wax on cases they fire form. This increases bolt thrust though, and you would not want to use a really high pressure load with this plan.</p><p></p><p>I think you understand results well, and that it's not a problem. Pretty common for cases to take ~3 firings to fully form. Possibly more if Fl sizing between.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1345963, member: 1521"] Yes. With low pressure loads the primer snaps back to the bolt face but the case does not fully stretch back to the bolt face(reseating the primers). A rough chamber could contribute. I know it's never recommended, but some folks leave a little oil/wax on cases they fire form. This increases bolt thrust though, and you would not want to use a really high pressure load with this plan. I think you understand results well, and that it's not a problem. Pretty common for cases to take ~3 firings to fully form. Possibly more if Fl sizing between. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Regarding case elongation w/first firing, will base-shoulder always lengthen to match headspace?
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