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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
H-380 question
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<blockquote data-quote="ppro" data-source="post: 35538" data-attributes="member: 826"><p>Lablover</p><p></p><p>In terms of temperature sensitivity, you have ball powders (in general) on one side of the equation, and stick powders such as Hodgdons, on the opposite side, and both stick and ball powders (from other manufacturers) falling somewhere in between.</p><p></p><p>H380 is one of the older ball powders and along with most ball powders that have been around for awhile, are more temperature. sensative.</p><p></p><p>There is nothing wrong with using H380 but you might want to develop your loads at a temperature that runs close to your intended use temp range, or, at least adjust you load for the extremes you may believe you will be working (hunting or whatever) in. It is a bit of a stretch (I think) to expect performance of H380 to provide peak harmonic performance over a really wide temp range, without making powder charge adjustments to keep your weapon shooting in its sweet spot. I have shot lots of H380 and Winchester 748 but if I want peak accuracy, I always quantify the accuracy produced under extreme conditions, and adjust my load accordingly.</p></blockquote><p></p>
[QUOTE="ppro, post: 35538, member: 826"] Lablover In terms of temperature sensitivity, you have ball powders (in general) on one side of the equation, and stick powders such as Hodgdons, on the opposite side, and both stick and ball powders (from other manufacturers) falling somewhere in between. H380 is one of the older ball powders and along with most ball powders that have been around for awhile, are more temperature. sensative. There is nothing wrong with using H380 but you might want to develop your loads at a temperature that runs close to your intended use temp range, or, at least adjust you load for the extremes you may believe you will be working (hunting or whatever) in. It is a bit of a stretch (I think) to expect performance of H380 to provide peak harmonic performance over a really wide temp range, without making powder charge adjustments to keep your weapon shooting in its sweet spot. I have shot lots of H380 and Winchester 748 but if I want peak accuracy, I always quantify the accuracy produced under extreme conditions, and adjust my load accordingly. [/QUOTE]
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H-380 question
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