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Rifles, Reloading, Optics, Equipment
Reloading
Retumbo or H50BMG in 32" 300 RUM?
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<blockquote data-quote="MontanaRifleman" data-source="post: 846149" data-attributes="member: 11717"><p>I also prefer the Hodgdon powders but they are not completely insensitive to temp changes. I have seen 100 fps shift in velocity from one lot to another of Retumbo and heard similar of H1000. Not sure about RL33 but I suspect it's more temp sensitive than the Extreme powders but maybe less than the other Alliant powders.</p><p></p><p>Bottom line for me is, no matter what powder you use you will have to make adjustments for temp swings. The question is how much. My 300 RUM will primarily be a hunting rifle and used in the Fall for general big game and the Spring for Spring Bear when temps will be mostly cool to cold.</p><p></p><p>The advantage to RL33 is it will fill your case better than Retumbo which will fill your case batter than H1000. And it will likey give you better velocities.</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 846149, member: 11717"] I also prefer the Hodgdon powders but they are not completely insensitive to temp changes. I have seen 100 fps shift in velocity from one lot to another of Retumbo and heard similar of H1000. Not sure about RL33 but I suspect it's more temp sensitive than the Extreme powders but maybe less than the other Alliant powders. Bottom line for me is, no matter what powder you use you will have to make adjustments for temp swings. The question is how much. My 300 RUM will primarily be a hunting rifle and used in the Fall for general big game and the Spring for Spring Bear when temps will be mostly cool to cold. The advantage to RL33 is it will fill your case better than Retumbo which will fill your case batter than H1000. And it will likey give you better velocities. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Retumbo or H50BMG in 32" 300 RUM?
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