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Rifles, Reloading, Optics, Equipment
Reloading
Most brass too short. Trim them all?
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<blockquote data-quote="Mikecr" data-source="post: 1390209" data-attributes="member: 1521"><p>Tightest clearance manageable. Ideal in my mind & practice is -5thou, and tolerating under 10thou. If you can't get them that close, then obviously you have what you have, but it makes no sense to trim them all to the worst.</p><p>As far as hard consistency in trim length, it is so minor that nobody could get a system isolating performance of X-or-Y w/resp to it.</p><p></p><p>In the long term, big neck clearances, and big end clearances contribute to neck sooting, carbon buildup in the chamber, and inconsistent case sealing and stretch. This situation is not free as it can contribute to higher SD more so than relatively tiny variances in neck tension(the potential in trim length variance).</p><p>But it's manageable, and in most cases I'm sure it doesn't matter much.</p><p></p><p>I just think you're better to have some variance in trim length than to have them all way short of chamber end.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1390209, member: 1521"] Tightest clearance manageable. Ideal in my mind & practice is -5thou, and tolerating under 10thou. If you can't get them that close, then obviously you have what you have, but it makes no sense to trim them all to the worst. As far as hard consistency in trim length, it is so minor that nobody could get a system isolating performance of X-or-Y w/resp to it. In the long term, big neck clearances, and big end clearances contribute to neck sooting, carbon buildup in the chamber, and inconsistent case sealing and stretch. This situation is not free as it can contribute to higher SD more so than relatively tiny variances in neck tension(the potential in trim length variance). But it's manageable, and in most cases I'm sure it doesn't matter much. I just think you're better to have some variance in trim length than to have them all way short of chamber end. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Most brass too short. Trim them all?
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