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Rifles, Reloading, Optics, Equipment
Reloading
Temperature efftect on powder MV and where to correct?
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<blockquote data-quote="EXPRESS" data-source="post: 1226929" data-attributes="member: 1441"><p>I mean; add or detract powder and make no mv correction, or make mv correction maintaining the same load.</p><p></p><p>My test today with three rounds warmed up to 37C (99F) showed the accuracy was lost. MV increased by 3fps per 1C. </p><p>This indicates that it is best, if you know how and have the chance, to adjust your load to the temps.</p><p>Next trial I will add 1.6 grains of powder, then cool the cartridges to 5C, which should give me 2485fps and .5MOA.</p></blockquote><p></p>
[QUOTE="EXPRESS, post: 1226929, member: 1441"] I mean; add or detract powder and make no mv correction, or make mv correction maintaining the same load. My test today with three rounds warmed up to 37C (99F) showed the accuracy was lost. MV increased by 3fps per 1C. This indicates that it is best, if you know how and have the chance, to adjust your load to the temps. Next trial I will add 1.6 grains of powder, then cool the cartridges to 5C, which should give me 2485fps and .5MOA. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Temperature efftect on powder MV and where to correct?
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