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Rifles, Reloading, Optics, Equipment
Reloading
Fire forming issues
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<blockquote data-quote="25WSM" data-source="post: 1769583" data-attributes="member: 38048"><p>Forgot about the other part as in a 100% perfect headspace fit round. Make one with a live primer and fire it empty. Most rounds will crush .006 to .008 shorter on one firing pin strike. I'm sure the thicker and the harder brass walls see less. I learned this from Mike Behlm. He proved that rimfires truly fire from a perfectly sized case. The Encore from Thompson Center will throw you a loop over headspace. He has article just on this alone. He is a very good read.</p><p>Shep</p></blockquote><p></p>
[QUOTE="25WSM, post: 1769583, member: 38048"] Forgot about the other part as in a 100% perfect headspace fit round. Make one with a live primer and fire it empty. Most rounds will crush .006 to .008 shorter on one firing pin strike. I'm sure the thicker and the harder brass walls see less. I learned this from Mike Behlm. He proved that rimfires truly fire from a perfectly sized case. The Encore from Thompson Center will throw you a loop over headspace. He has article just on this alone. He is a very good read. Shep [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Fire forming issues
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