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Rifles, Reloading, Optics, Equipment
Reloading
Lot by lot
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<blockquote data-quote="HSmithTX" data-source="post: 2533170" data-attributes="member: 121677"><p>The dead easy simple way to be safe and have NO problems when switching lots is to chronograph old lot vs new lot. Even in the Hodgdon Extreme powders I have seen as much as a 3% difference lot to lot, it's rare and I have only seen that once. Match new lot speed to old lot speed and everything is golden. My procedure is to lower my old load by 3%, and load .2-.5 grain increments (depends on the cartridge) to about 3% over the old load for a chrono string. When I hit the speed I am looking for the test is over, pull any leftover rounds down and re-use the components.</p></blockquote><p></p>
[QUOTE="HSmithTX, post: 2533170, member: 121677"] The dead easy simple way to be safe and have NO problems when switching lots is to chronograph old lot vs new lot. Even in the Hodgdon Extreme powders I have seen as much as a 3% difference lot to lot, it's rare and I have only seen that once. Match new lot speed to old lot speed and everything is golden. My procedure is to lower my old load by 3%, and load .2-.5 grain increments (depends on the cartridge) to about 3% over the old load for a chrono string. When I hit the speed I am looking for the test is over, pull any leftover rounds down and re-use the components. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
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