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Rifles, Reloading, Optics, Equipment
Reloading
Can SD and ES be a shortcut for accuracy
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<blockquote data-quote="Good" data-source="post: 419092" data-attributes="member: 18866"><p>First, a disclaimer: these are my theories and I welcome opposing thoughts as I want to learn. I don't have much experience with any of this. I would think if you can get one digit ES, that would be good. However, I don't think there will be much difference between 7 and 9 or 6 and 10. I would think there would be a difference between 7 and 30 though, but at what distance? Everything may look the same at 100 or even 200 or 300, but what about 1000yds? Someone here a while back had their ES at 7 with a 338 something or another. I don't know if I'll ever be able to achieve that with 30-06, .308, or 6.5x284, but it's a goal anyway.</p><p> </p><p>As for chrono, I wouldn't think it would really matter as long as all load testing was done with the same one. I guess it would be useful to check results with another chrono- maybe the two closest loads.</p><p> </p><p>All this = my own theory. I have no proof or evidence so take it for what it's worth, only my theory and i am not a ballestician or anything of the sort. I will say though, in that last example of the exception, once you find the velocity range the bullet likes, if then you get the ES and SD as low as possible within that range, that round will also be more accurate than just picking a round within the range with a higher ES, logically speaking and of course, IMHO...<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="Good, post: 419092, member: 18866"] First, a disclaimer: these are my theories and I welcome opposing thoughts as I want to learn. I don't have much experience with any of this. I would think if you can get one digit ES, that would be good. However, I don't think there will be much difference between 7 and 9 or 6 and 10. I would think there would be a difference between 7 and 30 though, but at what distance? Everything may look the same at 100 or even 200 or 300, but what about 1000yds? Someone here a while back had their ES at 7 with a 338 something or another. I don't know if I'll ever be able to achieve that with 30-06, .308, or 6.5x284, but it's a goal anyway. As for chrono, I wouldn't think it would really matter as long as all load testing was done with the same one. I guess it would be useful to check results with another chrono- maybe the two closest loads. All this = my own theory. I have no proof or evidence so take it for what it's worth, only my theory and i am not a ballestician or anything of the sort. I will say though, in that last example of the exception, once you find the velocity range the bullet likes, if then you get the ES and SD as low as possible within that range, that round will also be more accurate than just picking a round within the range with a higher ES, logically speaking and of course, IMHO...:D [/QUOTE]
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Can SD and ES be a shortcut for accuracy
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