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Hunting
Long Range Hunting & Shooting
splitting the difference cold/warm barrel question..
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<blockquote data-quote="Mike6158" data-source="post: 2923539" data-attributes="member: 1039"><p>Same here. SD, standard deviation, needs a lot of samples (shots per group) to be useful. That's what I was getting at. I use ES and 3-5 shot groups. Some rifles shoot well enough that 3-5 shot groups are adequate for what I'm doing. I recently shot a .113" 100 yard group with my .20PPC. It was a hot day. A few weeks later, when it was 25° cooler, shooting the same charge and seating depth, the group opened up. Still under .500 MOA but not to my liking.</p></blockquote><p></p>
[QUOTE="Mike6158, post: 2923539, member: 1039"] Same here. SD, standard deviation, needs a lot of samples (shots per group) to be useful. That's what I was getting at. I use ES and 3-5 shot groups. Some rifles shoot well enough that 3-5 shot groups are adequate for what I'm doing. I recently shot a .113" 100 yard group with my .20PPC. It was a hot day. A few weeks later, when it was 25° cooler, shooting the same charge and seating depth, the group opened up. Still under .500 MOA but not to my liking. [/QUOTE]
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splitting the difference cold/warm barrel question..
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