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Rifles, Reloading, Optics, Equipment
Reloading
Reloading for 30-30 Win - need advice
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<blockquote data-quote="nicholasjohn" data-source="post: 2058590" data-attributes="member: 109113"><p>If you measure the thickness of the rims on brass from different manufacturers, they aren't all the same thickness. Some are going to be thicker ( or thinner ) than others. With the thinner ones, there will be some slop between the bolt face and the case head. If you want to fix this, neck those cases up to a larger diameter ( try an 8mm mandrel ) and then neck them back down to hold the 30-caliber bullet, leaving a secondary shoulder for headspacing purposes. after fire-forming, the cases will fit the chamber like a glove, and the primers will not back out on subsequent firings. This process is a major pain in the keester, but it will fix this issue - <em>if you feel a need to fix it. </em> I wouldn't bother, since it's probably not an unsafe condition. Unless you're getting case head separations, it probably isn't a problem - just one of the quirks of your particular rifle.</p></blockquote><p></p>
[QUOTE="nicholasjohn, post: 2058590, member: 109113"] If you measure the thickness of the rims on brass from different manufacturers, they aren't all the same thickness. Some are going to be thicker ( or thinner ) than others. With the thinner ones, there will be some slop between the bolt face and the case head. If you want to fix this, neck those cases up to a larger diameter ( try an 8mm mandrel ) and then neck them back down to hold the 30-caliber bullet, leaving a secondary shoulder for headspacing purposes. after fire-forming, the cases will fit the chamber like a glove, and the primers will not back out on subsequent firings. This process is a major pain in the keester, but it will fix this issue - [I]if you feel a need to fix it. [/I] I wouldn't bother, since it's probably not an unsafe condition. Unless you're getting case head separations, it probably isn't a problem - just one of the quirks of your particular rifle. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Reloading for 30-30 Win - need advice
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