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Rifles, Reloading, Optics, Equipment
Reloading
managing powder lots
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<blockquote data-quote="Clark" data-source="post: 243429" data-attributes="member: 6600"><p>I overload ammo until the primer pocket gets loose, and then back off on the charge a safety margin ala Vernon Speer 1956.</p><p></p><p>Measuring the extractor groove with dial calipers for .001" expansion is easier than measuring the primer pocket directly with pin gauges.</p><p></p><p>I have found that some brands and powder are so consistent lot to lot, that the difference is down in the noise of variation from shot to shot.</p><p></p><p>There are brands and powders are more like bulk powder being sold as canister powder.</p><p></p><p>Good:</p><p>IMR</p><p>Alliant</p><p></p><p>Bad:</p><p>Accurate Arms</p><p></p><p>Hodgdon used to be bad, but is good now.</p><p></p><p>Winchester, I have not done enough testing.</p></blockquote><p></p>
[QUOTE="Clark, post: 243429, member: 6600"] I overload ammo until the primer pocket gets loose, and then back off on the charge a safety margin ala Vernon Speer 1956. Measuring the extractor groove with dial calipers for .001" expansion is easier than measuring the primer pocket directly with pin gauges. I have found that some brands and powder are so consistent lot to lot, that the difference is down in the noise of variation from shot to shot. There are brands and powders are more like bulk powder being sold as canister powder. Good: IMR Alliant Bad: Accurate Arms Hodgdon used to be bad, but is good now. Winchester, I have not done enough testing. [/QUOTE]
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Reloading
managing powder lots
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