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US869 for 300 RUM

 
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  #1  
Old 11-27-2013, 05:23 PM
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Join Date: Aug 2013
Location: Lewisville, Idaho
Posts: 23
US869 for 300 RUM

Hello everyone. Sorry if this is a repeat, but I have quite a bit of US869 powder to use up. I'm wanting to use it behind a 220 SMK for my 300 RUM. Any good loads to start with, AND how is as far as temp sensitive from 20 to 50 degrees?
Thanks
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  #2  
Old 11-27-2013, 10:16 PM
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Join Date: Aug 2013
Location: Arizona
Posts: 592
Re: US869 for 300 RUM

Stavi, 869 performed lights out in my 30/378, best groups I've seen. Went up north on a scouting trip with my friends and try some shots. At 50 degrees cooler I had a large difference in performance. I was a little worried about using it on my elk hunt last year and switched to H50BMG. I live in the desert and hunt in the high country, it is a 5500' and about 60 degree difference. Guess the stories about temp sensitivity got the best of me. Like you I have a lot of 869 left. May sell some of it on local Backpage. Just more comfortable with the Hodgdon Extreme powders. This is only my experience, you may have a different outcome. Good luck.
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  #3  
Old 11-27-2013, 10:33 PM
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Join Date: Aug 2005
Location: Murray, Ky.
Posts: 1,281
Re: US869 for 300 RUM

I used 101.5 gr for a load I had used with 210 smk's. Speed was around 3150-3200 the best I can remember. It was very accurate in that rifle but others I've owned didn't like it to much. Can't remember the temp sensitivity but the best I remember it wasn't as good as the retumbo or h-1000 because it's a spherical powder vs the "extreme" extruded powder of h-1000 and retumbo.

Hope this helped, and as always drop your charge 3 gr or so and work up.


Nathan
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  #4  
Old 11-27-2013, 11:34 PM
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Join Date: Aug 2013
Location: Lewisville, Idaho
Posts: 23
Re: US869 for 300 RUM

Awesome! Thank you for the insights and advice. Most likely will sell my extra powder and get some "extreme" powder instead.
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