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Rifles, Reloading, Optics, Equipment
Reloading
plastic flow of primer material
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<blockquote data-quote="Hand Skills" data-source="post: 2971318" data-attributes="member: 103303"><p>I think 2 factors could be at play in the OP's case.</p><p></p><p>- Federal primers are softer than virtually all the rest. There is a metric called 'brisance' for this.</p><p></p><p>- In order to feed and function in every chamber out there, factory ammo is sized to minimum spec. In many instances this can result in excessive headspace - .010" is not uncommon.</p><p></p><p>When the cartridge fits loose in the chamber, it *can* accelerate back toward the bolt upon ignition and the added inertia *does* effect deformation.</p></blockquote><p></p>
[QUOTE="Hand Skills, post: 2971318, member: 103303"] I think 2 factors could be at play in the OP's case. - Federal primers are softer than virtually all the rest. There is a metric called 'brisance' for this. - In order to feed and function in every chamber out there, factory ammo is sized to minimum spec. In many instances this can result in excessive headspace - .010" is not uncommon. When the cartridge fits loose in the chamber, it *can* accelerate back toward the bolt upon ignition and the added inertia *does* effect deformation. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
plastic flow of primer material
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