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Hunting
Long Range Hunting & Shooting
How much cool down time?
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<blockquote data-quote="jrock" data-source="post: 1640696" data-attributes="member: 78569"><p>I used an inferred thermometer to monitor my barrel in the middle of summer once. In 90 degree weather, 4 minutes was time for a consistent barrel temp. Obviously not a cold bore test but consistent enough for load development. I tested with a quick 3 shot group and then shot a 3 shot group next to it with the cool down periods and they were the same within a margin of error. For 80 degs or less, I wait 3 min between shots to get the same barrel temps. </p><p>Right before the season opens, I collect some long range drop data and zeros using the fairly quick 3 shot group method.</p></blockquote><p></p>
[QUOTE="jrock, post: 1640696, member: 78569"] I used an inferred thermometer to monitor my barrel in the middle of summer once. In 90 degree weather, 4 minutes was time for a consistent barrel temp. Obviously not a cold bore test but consistent enough for load development. I tested with a quick 3 shot group and then shot a 3 shot group next to it with the cool down periods and they were the same within a margin of error. For 80 degs or less, I wait 3 min between shots to get the same barrel temps. Right before the season opens, I collect some long range drop data and zeros using the fairly quick 3 shot group method. [/QUOTE]
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How much cool down time?
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