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Rifles, Reloading, Optics, Equipment
Reloading
Help me determine what is causing my runout!
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<blockquote data-quote="boomtube" data-source="post: 304257" data-attributes="member: 9215"><p>"... base of all runout, even with all else perfect, is case thickness variance. It runs full length of the case. With this, runout will occur and grow with each firing, and with each contact with any die. </p><p>The devil here is springback, and if your not considering what's happening in that regard you might convince yourself of a die issue that isn't."</p><p> </p><p> </p><p>Okay, I see your point. Disagree with how it can be measured but your point of bad brass is well taken. I do sorta have a solution for those cases; I toss any that don't respond to my normal treatments! </p><p> </p><p>After a couple of my "select-load-fire-reload-measure-toss the losers" cycles, the remaining brass is very good. (Wish I could shoot as good as my twice prepped brass is!)</p></blockquote><p></p>
[QUOTE="boomtube, post: 304257, member: 9215"] "... base of all runout, even with all else perfect, is case thickness variance. It runs full length of the case. With this, runout will occur and grow with each firing, and with each contact with any die. The devil here is springback, and if your not considering what's happening in that regard you might convince yourself of a die issue that isn't." Okay, I see your point. Disagree with how it can be measured but your point of bad brass is well taken. I do sorta have a solution for those cases; I toss any that don't respond to my normal treatments! After a couple of my "select-load-fire-reload-measure-toss the losers" cycles, the remaining brass is very good. (Wish I could shoot as good as my twice prepped brass is!) [/QUOTE]
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Reloading
Help me determine what is causing my runout!
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