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Rifles, Reloading, Optics, Equipment
Reloading
Reloading standard cartridges in short barrels
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<blockquote data-quote="cohunt" data-source="post: 1833805" data-attributes="member: 94491"><p>I have a 16" 308 and tried 5 different powers in the "fast" range-- ended up going back to varget for best accuracy-- the faster powders still hit peak pressure earlier than std powders so they still tend to pressure out before std powders do. Most powder burns on the first 6-7 inches --- the reason slower powders work well in longer barrels is that they sustain the pressure longer. </p><p>As far as bullet weight is concerned, its gonna be what the barrel likes.</p><p></p><p>It's the pressure under the curve that creates speed not peak pressure.</p></blockquote><p></p>
[QUOTE="cohunt, post: 1833805, member: 94491"] I have a 16" 308 and tried 5 different powers in the "fast" range-- ended up going back to varget for best accuracy-- the faster powders still hit peak pressure earlier than std powders so they still tend to pressure out before std powders do. Most powder burns on the first 6-7 inches --- the reason slower powders work well in longer barrels is that they sustain the pressure longer. As far as bullet weight is concerned, its gonna be what the barrel likes. It's the pressure under the curve that creates speed not peak pressure. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Reloading standard cartridges in short barrels
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