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Rifles, Reloading, Optics, Equipment
Reloading
Run-out help needed
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<blockquote data-quote="Mikecr" data-source="post: 738209" data-attributes="member: 1521"><p>idefendem, RUNOUT and perceived CONCENTRICITY are two different things.</p><p>And the Hornady neck bender is not a valid solution for either.</p><p></p><p>I don't understand all the implications that fireforming would create runout. </p><p>Fireforming is the ONLY way to straighten cases, and it works very well.</p><p>Take a new case, measure it's runout off necks. Now load it, fire it, remeasure -runout reduced.</p><p>FL size it, remeasure -runout returns.</p><p>Repeat this cycle -runout grows.</p><p></p><p>Now you can index/mark the case to see a bow develops in this, and yes it follows thickness variance.</p><p>This is why neck bending is in no way a solution. It doesn't straighten a case that will be rechambered.</p><p></p><p>Solution:</p><p>#1 Cull by thickness variance</p><p>#2 Size minimally</p><p>#3 Determine & manage additions to loaded runout</p></blockquote><p></p>
[QUOTE="Mikecr, post: 738209, member: 1521"] idefendem, RUNOUT and perceived CONCENTRICITY are two different things. And the Hornady neck bender is not a valid solution for either. I don't understand all the implications that fireforming would create runout. Fireforming is the ONLY way to straighten cases, and it works very well. Take a new case, measure it's runout off necks. Now load it, fire it, remeasure -runout reduced. FL size it, remeasure -runout returns. Repeat this cycle -runout grows. Now you can index/mark the case to see a bow develops in this, and yes it follows thickness variance. This is why neck bending is in no way a solution. It doesn't straighten a case that will be rechambered. Solution: #1 Cull by thickness variance #2 Size minimally #3 Determine & manage additions to loaded runout [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Run-out help needed
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