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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7LRM (Long Range Magnum) - Pic & Info thread
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<blockquote data-quote="agentcooper" data-source="post: 1075411" data-attributes="member: 6087"><p>I had not before either. It's a subject of debate, I know, but I figured time to try something. I went with the mean grouping (251-252) simply because I had more pieces in that pile. ES stays under 30fps now. I'd imagine you could tune your powder charge a few tenths up or down to duplicate the ballistics in the other weights of brass but I haven't tried it yet. I have some of the older brass as well, when there was an issue with the thick necks. I found that weight sorting that brass after neck turning yielded the same results although, the weight groupings were completely different for obvious reasons. </p><p></p><p>Although I've never done it before, I believe that measuring case volume with a liquid media is the best way to sort for case volume. I just don't really have the time to do it and sorting by weight worked to achieve the results I personally was looking for.</p></blockquote><p></p>
[QUOTE="agentcooper, post: 1075411, member: 6087"] I had not before either. It's a subject of debate, I know, but I figured time to try something. I went with the mean grouping (251-252) simply because I had more pieces in that pile. ES stays under 30fps now. I'd imagine you could tune your powder charge a few tenths up or down to duplicate the ballistics in the other weights of brass but I haven't tried it yet. I have some of the older brass as well, when there was an issue with the thick necks. I found that weight sorting that brass after neck turning yielded the same results although, the weight groupings were completely different for obvious reasons. Although I've never done it before, I believe that measuring case volume with a liquid media is the best way to sort for case volume. I just don't really have the time to do it and sorting by weight worked to achieve the results I personally was looking for. [/QUOTE]
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7LRM (Long Range Magnum) - Pic & Info thread
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