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Rifles, Reloading, Optics, Equipment
Reloading
R-25 temperature variation
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<blockquote data-quote="Cheyenne 1" data-source="post: 592297" data-attributes="member: 9735"><p>I was just started making some loads for my newest rifle. A remington 700 in 257stw. Using remington brass, CCI magum primers and RL-25. Started out with 77 grns, ended up at 81. Problem seems to be with the larger powder charges are really sensitive to temperature change. It is a little cold here, about 14F. </p><p>I didn't think the last couple of loads were what they should be. I put the last 2 in my pocket to warm them up and both were exactly the same speed 3875, the ones before at outside temp were at 3760. That seems like way too much of a spread. </p><p>I have read (Now) that the r-25 will do this. Anybody else have this problem? What about the Hodgon extreme powders, they claim that it will not change with temperature?</p><p>Where I hunt it can go from 50F to 40 below 0. </p><p>Thanks</p></blockquote><p></p>
[QUOTE="Cheyenne 1, post: 592297, member: 9735"] I was just started making some loads for my newest rifle. A remington 700 in 257stw. Using remington brass, CCI magum primers and RL-25. Started out with 77 grns, ended up at 81. Problem seems to be with the larger powder charges are really sensitive to temperature change. It is a little cold here, about 14F. I didn't think the last couple of loads were what they should be. I put the last 2 in my pocket to warm them up and both were exactly the same speed 3875, the ones before at outside temp were at 3760. That seems like way too much of a spread. I have read (Now) that the r-25 will do this. Anybody else have this problem? What about the Hodgon extreme powders, they claim that it will not change with temperature? Where I hunt it can go from 50F to 40 below 0. Thanks [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
R-25 temperature variation
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