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Rifles, Reloading, Optics, Equipment
Reloading
.300wm confusion
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<blockquote data-quote="Bart B" data-source="post: 819664" data-attributes="member: 5302"><p>Group shooting; one of the most misunderstood things about testing for accuracy.</p><p></p><p>If you shoot several groups with the same load all the same way and they ain't within 10% of each other in extreme spread, you're not shooting enough shots per group for them to be meaningful and represent the accuracy level that load produces all the time.</p><p></p><p>If you measured a fish with a ruler and the numbers ranged from 6 to 12 inches, which one represents how long the fish is? Does the fish have an average length?</p><p></p><p>A given rifle and load will shoot all their groups the same size (within 5%) if enough shots per group are fired. How realistic do you want your assesment of the load's accuracy to be?</p><p></p><p>However, if you're only interested in how accurate the load is a small percentage of the time, then shoot a few 3-shot groups with different loads and pick the smallest ones recipie. Good luck equaling that smallest group at some later time.</p></blockquote><p></p>
[QUOTE="Bart B, post: 819664, member: 5302"] Group shooting; one of the most misunderstood things about testing for accuracy. If you shoot several groups with the same load all the same way and they ain't within 10% of each other in extreme spread, you're not shooting enough shots per group for them to be meaningful and represent the accuracy level that load produces all the time. If you measured a fish with a ruler and the numbers ranged from 6 to 12 inches, which one represents how long the fish is? Does the fish have an average length? A given rifle and load will shoot all their groups the same size (within 5%) if enough shots per group are fired. How realistic do you want your assesment of the load's accuracy to be? However, if you're only interested in how accurate the load is a small percentage of the time, then shoot a few 3-shot groups with different loads and pick the smallest ones recipie. Good luck equaling that smallest group at some later time. [/QUOTE]
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Reloading
.300wm confusion
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