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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Loose case knecks...?
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<blockquote data-quote="lynn" data-source="post: 36773" data-attributes="member: 1479"><p>In my experience you should start 0.003 - 0.004 under your loaded round measurement of 0.312 with your bushing size or 0.309 Your fired rounds at 0.320 getting swaged down to 0.312 then blownback up to 0.320 is work hardening your brass and its losing tension as well as springback.So what happens when you size it so close to your loaded rounds outside dimension is the loose fit on some brass.Annealing will help unless you've gotten the brass over 700 degrees in which case the brass is dead and needs replacing.Always use Temilac or Tempistic at around 675 degrees for best results.</p><p>Lynn</p></blockquote><p></p>
[QUOTE="lynn, post: 36773, member: 1479"] In my experience you should start 0.003 - 0.004 under your loaded round measurement of 0.312 with your bushing size or 0.309 Your fired rounds at 0.320 getting swaged down to 0.312 then blownback up to 0.320 is work hardening your brass and its losing tension as well as springback.So what happens when you size it so close to your loaded rounds outside dimension is the loose fit on some brass.Annealing will help unless you've gotten the brass over 700 degrees in which case the brass is dead and needs replacing.Always use Temilac or Tempistic at around 675 degrees for best results. Lynn [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Loose case knecks...?
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