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Rifles, Reloading, Optics, Equipment
Reloading
How "important" are certain details when reloading?
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<blockquote data-quote="Shooter00" data-source="post: 835790" data-attributes="member: 70388"><p>From what I understand, it's a volume thing. Separating cases into equally weighing groups should keep the interior capacity relatively consistant. If I weighed out 100 cases, I'd take the largest group of the same weight (+/- a tenth of a grain or so) and use those for load development.</p><p></p><p>I guess it's assumed that the difference in case weight is a result of a difference in wall thickness. If everything is to the same spec on the outside of the case from resizing and trimming, then the interior volume would be effected by thicker or thinner walls. This can change burn times and pressures, leading to anomalies in accuracy. I've never chased that tail, not shooting BR and needing gnat's *** tight groups.</p></blockquote><p></p>
[QUOTE="Shooter00, post: 835790, member: 70388"] From what I understand, it's a volume thing. Separating cases into equally weighing groups should keep the interior capacity relatively consistant. If I weighed out 100 cases, I'd take the largest group of the same weight (+/- a tenth of a grain or so) and use those for load development. I guess it's assumed that the difference in case weight is a result of a difference in wall thickness. If everything is to the same spec on the outside of the case from resizing and trimming, then the interior volume would be effected by thicker or thinner walls. This can change burn times and pressures, leading to anomalies in accuracy. I've never chased that tail, not shooting BR and needing gnat's *** tight groups. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How "important" are certain details when reloading?
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