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Rifles, Reloading, Optics, Equipment
Reloading
Case Neck Separation. Why?
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<blockquote data-quote="epoletna" data-source="post: 1844858" data-attributes="member: 87371"><p>Since you only had one case separate, it might have been a flawed case. But you might take a dental pick and slide it up and down inside the other necks to feel for hairline cracks inside. </p><p></p><p>My first thought was "work-hardened brass." But with only two reloadings, that seems unlikely. So what else could be the problem? Sizing the neck too small and then stretching it back out? Something that weakened the brass? Even this last point only resulted in the separation when you pulled the neck sizing button back through the neck, right? </p><p></p><p>All this points to reducing the neck too much and then pulling a button through it. Is your bushing reducing the diameter more than .002"? If so, try a larger bushing. </p><p></p><p>My experience is to measure the neck of a loaded cartridge, then get a bushing that reduces that .002"</p></blockquote><p></p>
[QUOTE="epoletna, post: 1844858, member: 87371"] Since you only had one case separate, it might have been a flawed case. But you might take a dental pick and slide it up and down inside the other necks to feel for hairline cracks inside. My first thought was "work-hardened brass." But with only two reloadings, that seems unlikely. So what else could be the problem? Sizing the neck too small and then stretching it back out? Something that weakened the brass? Even this last point only resulted in the separation when you pulled the neck sizing button back through the neck, right? All this points to reducing the neck too much and then pulling a button through it. Is your bushing reducing the diameter more than .002"? If so, try a larger bushing. My experience is to measure the neck of a loaded cartridge, then get a bushing that reduces that .002" [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Case Neck Separation. Why?
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