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Rifles, Reloading, Optics, Equipment
Reloading
Rl19, h4831sc, imr7828
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<blockquote data-quote="Weldsheriff" data-source="post: 545357" data-attributes="member: 36933"><p>Little help! Guys, I done some extensive testing in a new 300WSM. I tested many powders and found these three to produce sub 1 moa goups at 100 yards in 5 shot groups. My best combos on adverage were:</p><p> </p><p>RL19 - 67g - 3000fps </p><p>H4831SC - 64g - 2850fps</p><p>IMR 7828 - 66g - 2800fps </p><p> </p><p>My problem is Im loading and shooting now at 70 - 80 deg F. I will be hunting in -10 to 50 deg F. I need a temp stable powder. I see little difference in groups at my current temp and 200 fps difference between. What powder do I choose?</p><p> </p><p>Thanks!</p></blockquote><p></p>
[QUOTE="Weldsheriff, post: 545357, member: 36933"] Little help! Guys, I done some extensive testing in a new 300WSM. I tested many powders and found these three to produce sub 1 moa goups at 100 yards in 5 shot groups. My best combos on adverage were: RL19 - 67g - 3000fps H4831SC - 64g - 2850fps IMR 7828 - 66g - 2800fps My problem is Im loading and shooting now at 70 - 80 deg F. I will be hunting in -10 to 50 deg F. I need a temp stable powder. I see little difference in groups at my current temp and 200 fps difference between. What powder do I choose? Thanks! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Rl19, h4831sc, imr7828
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