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Rifles, Reloading, Optics, Equipment
Reloading
5 or 3 shot group when determining ES/SD???
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<blockquote data-quote="Bart B" data-source="post: 625678" data-attributes="member: 5302"><p>While this is a popular thing to do, it ain't always right. Sometimes it produces the worst accuracy at the greater ranges.</p><p></p><p>For example, when a bunch of us developed loads for Sierra's then new .308 caliber 155-gr. Palma bullet back in 1991, the load that produced the smallest spreads in metered charge weight, peak pressure and muzzle velocity also had the worst accuracy at long range. The load with medium values for these things had the best accuracy.</p></blockquote><p></p>
[QUOTE="Bart B, post: 625678, member: 5302"] While this is a popular thing to do, it ain't always right. Sometimes it produces the worst accuracy at the greater ranges. For example, when a bunch of us developed loads for Sierra's then new .308 caliber 155-gr. Palma bullet back in 1991, the load that produced the smallest spreads in metered charge weight, peak pressure and muzzle velocity also had the worst accuracy at long range. The load with medium values for these things had the best accuracy. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
5 or 3 shot group when determining ES/SD???
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