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Rifles, Reloading, Optics, Equipment
Reloading
From the beginning
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<blockquote data-quote="justgoto" data-source="post: 611462" data-attributes="member: 17125"><p>ES: Extreme Spread</p><p>SD: Standard Deviation</p><p></p><p>They are chronograph lingo. ES is the greatest velocity spread for a specific load. SD is a calculation derived from the velocities logged and the number of them.</p><p></p><p>I only care about ES; it only takes one shot to wound an animal, so all my velocities need to be uniform.</p><p></p><p></p><p>When I change any part of a load, I start over with a new ladder test.</p><p>You'll get to know about where to start the test when you have done it enough; I usually find a sub-moa load within 10 shots.</p></blockquote><p></p>
[QUOTE="justgoto, post: 611462, member: 17125"] ES: Extreme Spread SD: Standard Deviation They are chronograph lingo. ES is the greatest velocity spread for a specific load. SD is a calculation derived from the velocities logged and the number of them. I only care about ES; it only takes one shot to wound an animal, so all my velocities need to be uniform. When I change any part of a load, I start over with a new ladder test. You'll get to know about where to start the test when you have done it enough; I usually find a sub-moa load within 10 shots. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
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