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Rifles, Reloading, Optics, Equipment
Reloading
Bullet Sticking In End Of Fired Case ?
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<blockquote data-quote="Wedgy" data-source="post: 1316233" data-attributes="member: 64108"><p>7mm RUM</p><p></p><p>.320" fired case OD</p><p>.313" loaded round</p><p>Fired case shoulder 2.460"</p><p>Necks turned to .014"</p><p>Length 2.846-2.848"</p><p></p><p>On 5 of the 14 fired cases a bullet won't go back into the fired case, it gets stuck on the case mouth, the rest of the neck has clearance. Doesn't matter about the length, some are the 2.846" and some are the longer ones. In order fired they are the 2nd, 4th, 10th, and 14th so it wasn't a progressive worsening. They aren't dented so I was thinking a carbon ring but borescope said no, a light cleaning with Eliminator was down to metal, so no ring. I ordered a Sinclair chamber length gage but I guess that's a matter of how much you turn your brass. In the photo(spun with steel wool to remove carbon) it looks like the case tapers a little at the end of the mouth but I couldn't measure it, wall thickness is the same.</p><p>Options are;</p><p> 1) turn the necks down a little more; don't really want to as the rest of the neck has clearance.</p><p>2) trim the length down a little it's just a short chamber</p><p>3) Wait for the chamber length gage</p><p>4) I am totally missing something, worn reamer but why on some and not the others ?</p><p></p><p><a href="http://www.sinclairintl.com/reloading-equipment/measuring-tools/case-gauges-headspace-tools/sinclair-chamber-length-gage-prod32925.aspx" target="_blank">SINCLAIR INTERNATIONAL Sinclair Chamber Length Gage | Sinclair Intl</a></p></blockquote><p></p>
[QUOTE="Wedgy, post: 1316233, member: 64108"] 7mm RUM .320" fired case OD .313" loaded round Fired case shoulder 2.460" Necks turned to .014" Length 2.846-2.848" On 5 of the 14 fired cases a bullet won't go back into the fired case, it gets stuck on the case mouth, the rest of the neck has clearance. Doesn't matter about the length, some are the 2.846" and some are the longer ones. In order fired they are the 2nd, 4th, 10th, and 14th so it wasn't a progressive worsening. They aren't dented so I was thinking a carbon ring but borescope said no, a light cleaning with Eliminator was down to metal, so no ring. I ordered a Sinclair chamber length gage but I guess that's a matter of how much you turn your brass. In the photo(spun with steel wool to remove carbon) it looks like the case tapers a little at the end of the mouth but I couldn't measure it, wall thickness is the same. Options are; 1) turn the necks down a little more; don't really want to as the rest of the neck has clearance. 2) trim the length down a little it's just a short chamber 3) Wait for the chamber length gage 4) I am totally missing something, worn reamer but why on some and not the others ? [url=http://www.sinclairintl.com/reloading-equipment/measuring-tools/case-gauges-headspace-tools/sinclair-chamber-length-gage-prod32925.aspx]SINCLAIR INTERNATIONAL Sinclair Chamber Length Gage | Sinclair Intl[/url] [/QUOTE]
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Reloading
Bullet Sticking In End Of Fired Case ?
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