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Rifles, Reloading, Optics, Equipment
Reloading
Annealing vs not?
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<blockquote data-quote="Mikecr" data-source="post: 2175877" data-attributes="member: 1521"><p>You couldn't get away with it for a 300wm. </p><p>The cartridge has to be well improved and a smaller/efficient capacity for cal.</p><p>You need enough breech support, as provided by enough barrel steel around the chamber, and coned bolt.</p><p>In 30cal this would maybe be a 30saum AI, with biggest barrel tenon practical (custom action).</p><p></p><p>Fitted, is ~1/2thou total clearance EVERYWHERE for NEW cases.</p><p>With this, the cases form to spring back from chamber with no sizing needed for reloading*.</p><p>So no trimming or annealing either. Just re-prime, charge, seat bullets & go.</p><p></p><p>*Shoulders should be at least 40deg to mitigate the need for bumping.</p><p>I went 35deg, and by the 12th reload cycle my headspace was getting tight. Bad because once you bump, you're stuck with that action going forward (memory).</p><p>I'm going to try 45deg shoulders for my next chamber.</p><p>Also, some length of neck sizing may be desired for tuning. This works even as fitted with slight mandrel & bushing sizing (less than work hardening).</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2175877, member: 1521"] You couldn't get away with it for a 300wm. The cartridge has to be well improved and a smaller/efficient capacity for cal. You need enough breech support, as provided by enough barrel steel around the chamber, and coned bolt. In 30cal this would maybe be a 30saum AI, with biggest barrel tenon practical (custom action). Fitted, is ~1/2thou total clearance EVERYWHERE for NEW cases. With this, the cases form to spring back from chamber with no sizing needed for reloading*. So no trimming or annealing either. Just re-prime, charge, seat bullets & go. *Shoulders should be at least 40deg to mitigate the need for bumping. I went 35deg, and by the 12th reload cycle my headspace was getting tight. Bad because once you bump, you're stuck with that action going forward (memory). I'm going to try 45deg shoulders for my next chamber. Also, some length of neck sizing may be desired for tuning. This works even as fitted with slight mandrel & bushing sizing (less than work hardening). [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Annealing vs not?
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