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Rifles, Reloading, Optics, Equipment
Reloading
Newbie head explosion
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<blockquote data-quote="PddPdd" data-source="post: 2863359" data-attributes="member: 111799"><p>When modifying the headspace on a fired case I find that I will get different results depending on if all the brass is being resized from the chamber/ejected dimension vs. walking it back in step by step increments. So in my experience you should start with a fresh piece of fired brass when setting your die position. Then work on your trial pieces of resized brass after getting the die set.</p><p></p><p>To get your trial pieces sized correctly I run them through the die several times, rotating the brass a few degrees prior to each stroke. Annealing may help with getting the trial pieces to reach the final dimension you want.</p><p></p><p>The reason this happens is because you need to deform the brass past the point of plastic/permanent deformation. Brass can take small deformations and just spring back to where it started rather than deforming to the new dimension you are trying to achieve. Hope this helps.</p></blockquote><p></p>
[QUOTE="PddPdd, post: 2863359, member: 111799"] When modifying the headspace on a fired case I find that I will get different results depending on if all the brass is being resized from the chamber/ejected dimension vs. walking it back in step by step increments. So in my experience you should start with a fresh piece of fired brass when setting your die position. Then work on your trial pieces of resized brass after getting the die set. To get your trial pieces sized correctly I run them through the die several times, rotating the brass a few degrees prior to each stroke. Annealing may help with getting the trial pieces to reach the final dimension you want. The reason this happens is because you need to deform the brass past the point of plastic/permanent deformation. Brass can take small deformations and just spring back to where it started rather than deforming to the new dimension you are trying to achieve. Hope this helps. [/QUOTE]
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Reloading
Newbie head explosion
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