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Rifles, Reloading, Optics, Equipment
Reloading
Powder question
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<blockquote data-quote="RegionRat" data-source="post: 2967768" data-attributes="member: 57231"><p>Between the storage, the water content, etc., of the vintage powder, and the usual batch to batch variations, it is always important to check when introducing a new batch. </p><p></p><p>I would agree that 200 fps difference is more than the usual. In my 44 Mag Silhouette days, I would see not more than 80 fps between batches so you are right to question.</p><p></p><p>I would suggest leaving the can open for a while to see if it happened to be unusually high in humidity, which tends to slow powder down. Give the whole can a roll and shake a few times a day and let it normalize for a day or so, then see if it has changed. No matter how that turns out, you did the right thing by tracking the actual performance rather than assuming it would be the same, and I would keep doing this if I were you.</p></blockquote><p></p>
[QUOTE="RegionRat, post: 2967768, member: 57231"] Between the storage, the water content, etc., of the vintage powder, and the usual batch to batch variations, it is always important to check when introducing a new batch. I would agree that 200 fps difference is more than the usual. In my 44 Mag Silhouette days, I would see not more than 80 fps between batches so you are right to question. I would suggest leaving the can open for a while to see if it happened to be unusually high in humidity, which tends to slow powder down. Give the whole can a roll and shake a few times a day and let it normalize for a day or so, then see if it has changed. No matter how that turns out, you did the right thing by tracking the actual performance rather than assuming it would be the same, and I would keep doing this if I were you. [/QUOTE]
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