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First Long Range Build
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<blockquote data-quote="7magcreedmoor" data-source="post: 951667" data-attributes="member: 48559"><p>On the issue of velocity, each barrel is unique, and you are shooting a longer one for the caliber. The "test" barrel used by the company that published your data could have been 24 inches for a 7-08. I had a 270 Winchester that shot faster than the manual said it should, but no pressure signs whatsoever. The numbers from your chrony are also something that can be off by a few percent (when we consider what we are trying to measure and how we are trying to measure it, it is amazing that chronys can give us meaningful numbers at all), and you'll want to do trajectory validation by shooting at multiple distances. Chronographs can tell little white lies, but impacts ARE TRUTH. My own chrony shows velocities just a bit over actual, but that is just one step in the long range process.</p></blockquote><p></p>
[QUOTE="7magcreedmoor, post: 951667, member: 48559"] On the issue of velocity, each barrel is unique, and you are shooting a longer one for the caliber. The "test" barrel used by the company that published your data could have been 24 inches for a 7-08. I had a 270 Winchester that shot faster than the manual said it should, but no pressure signs whatsoever. The numbers from your chrony are also something that can be off by a few percent (when we consider what we are trying to measure and how we are trying to measure it, it is amazing that chronys can give us meaningful numbers at all), and you'll want to do trajectory validation by shooting at multiple distances. Chronographs can tell little white lies, but impacts ARE TRUTH. My own chrony shows velocities just a bit over actual, but that is just one step in the long range process. [/QUOTE]
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