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300 RUM: Retumbo or H1000?

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  #8  
Unread 12-07-2010, 07:01 PM
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Re: 300 RUM: Retumbo or H1000?

Retumbo will give you the most velocity and I had good accuracy as well. I don't doubt that H1000 would be a little more accurate though.....Rich
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  •   #9  
    Unread 12-08-2010, 01:18 PM
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    Re: 300 RUM: Retumbo or H1000?

    I shoot H-870 in mine for best results. If you can find it. US 869 and Retumbo is what I will try next when the 870 runs out. My friends are doing very well with retumbo.
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      #10  
    Unread 12-08-2010, 01:29 PM
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    Re: 300 RUM: Retumbo or H1000?

    Quote:
    Originally Posted by Long Time Long Ranger View Post
    I shoot H-870 in mine for best results. If you can find it. US 869 and Retumbo is what I will try next when the 870 runs out. My friends are doing very well with retumbo.
    Ditto on the H870! I didn't mention it because it is no longer available but I got higher velocity with it than ANY other powder. You can get T870 which I am told is exactly the same surplus powder that was sold by Hodgdon......Rich
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      #11  
    Unread 11-27-2015, 11:32 PM
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    Re: 300 RUM: Retumbo or H1000?

    I use 102.7 gr of Retumbo with 168 BTHP that I've moly coated. 3550 fps and .524 moa at 600. It will get tighter with adjustments. BTW no pressure problems.
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      #12  
    Unread 11-28-2015, 02:13 AM
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    Re: 300 RUM: Retumbo or H1000?

    H1000
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      #13  
    Unread 11-28-2015, 10:59 AM
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    Re: 300 RUM: Retumbo or H1000?

    918, the US869 was most accurate for a friend's 300 RUM and my 30/378 Wby but living here in Az the temp sensitivity reared its ugly head with it. Went with the temp stable Retumbo and H 1000 which were consistent in the weather here, whether practicing in the valley or at 6500' in the mountains. Am currently working on a load for another 300 RUM now. Good luck
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      #14  
    Unread 11-28-2015, 01:34 PM
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    Re: 300 RUM: Retumbo or H1000?

    This is a 5 year old thread. With no new questions to revive it.
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