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Rifles, Reloading, Optics, Equipment
Reloading
Group Pattern Question
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<blockquote data-quote="dashender7" data-source="post: 2328457" data-attributes="member: 120345"><p>Thank you again for the detailed writeup. I'm being educated. I actually appreciate the statistics rundown more than you might realize and I am glad you called my attention to the relevance of applying basic stats to reloading and accuracy and very large aggregate groups which equate to better sample sizes and higher statistical confidence.</p><p></p><p>My favorite takeaway from this is the concept of using small shot count or single round groups for negative confirmation, especially early in the load dev process to eliminate the most useless loads, as well as using one or two rounds to gather data about max pressure or flat velocity zones.</p><p></p><p>Also still appreciating the group overlay approach. I probably don't own a rifle that justifies being too much of a nutter but I do enjoy the load dev process.</p><p></p><p>I read recently an anecdotal story about famed American sniper in Vietnam Carlos Hathcock mentoring another shooter. It did not involve hand load development but I remember realizing he was on another level of nutty in his approach to gathering and analyzing first-shot data on a cold bore and first approach to the rifle in a given day and using his rifle workup to force himself to understand what to expect from that shot and make the first shot count. He would accumulate a huge body of data and sample of that particular condition; first shot in the day for rifle and shooter, and considered that to be the only body of data that mattered representatively for his field performance. Essentially he was overlaying 1 shot at a time into one huge group representative of what he could expect himself and his rifle to do cold while taking into consideration atmospherics. Seems that approach has some application for hunters too where single first shot should count. Of course Hathcock would have had much more to worry about in the event follow-up shots were needed than your average hunter, but still focused on this approach!</p></blockquote><p></p>
[QUOTE="dashender7, post: 2328457, member: 120345"] Thank you again for the detailed writeup. I'm being educated. I actually appreciate the statistics rundown more than you might realize and I am glad you called my attention to the relevance of applying basic stats to reloading and accuracy and very large aggregate groups which equate to better sample sizes and higher statistical confidence. My favorite takeaway from this is the concept of using small shot count or single round groups for negative confirmation, especially early in the load dev process to eliminate the most useless loads, as well as using one or two rounds to gather data about max pressure or flat velocity zones. Also still appreciating the group overlay approach. I probably don't own a rifle that justifies being too much of a nutter but I do enjoy the load dev process. I read recently an anecdotal story about famed American sniper in Vietnam Carlos Hathcock mentoring another shooter. It did not involve hand load development but I remember realizing he was on another level of nutty in his approach to gathering and analyzing first-shot data on a cold bore and first approach to the rifle in a given day and using his rifle workup to force himself to understand what to expect from that shot and make the first shot count. He would accumulate a huge body of data and sample of that particular condition; first shot in the day for rifle and shooter, and considered that to be the only body of data that mattered representatively for his field performance. Essentially he was overlaying 1 shot at a time into one huge group representative of what he could expect himself and his rifle to do cold while taking into consideration atmospherics. Seems that approach has some application for hunters too where single first shot should count. Of course Hathcock would have had much more to worry about in the event follow-up shots were needed than your average hunter, but still focused on this approach! [/QUOTE]
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Group Pattern Question
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