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300 WM powder choice

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  #8  
Unread 05-23-2007, 06:14 PM
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Re: 300 WM powder choice

I love IMR4831. It is my favorite powder in 243Win, 6mmRem, .25-06, and 7mm RM. In my guns, at least, it provides the best velocity/accuracy of any powders I've tried, including H1000 and the ReLoader series.

In my 3 .300 winnys, it seems to work best with the 150 and 165 gr bullets. R-22 edges it out in velocity when you move up to 180 and 200 gr. Accuracy in my guns at least, is on par with R-22 across the board.

Dave
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  •   #9  
    Unread 05-24-2007, 11:38 AM
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    Re: 300 WM powder choice

    My 300WM prefers IMR4350 (71.0 grains) with 180NAB, 2950fps. I got similar velocity with RL22 but accuracy was not quite as good.
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      #10  
    Unread 05-24-2007, 03:51 PM
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    Re: 300 WM powder choice


    81 grians of H-1000.Win cases,federal 215 primer and 180 TSX or 180 AccuBond
    300 Hundred Yard Groups
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      #11  
    Unread 05-25-2007, 05:57 AM
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    Re: 300 WM powder choice

    That is a load I like 475, However as accurate as it is it isn't very fast. I have the best accuracy with H-1000 (.5-.6 @ 100), I have the most speed with RL-22 but my groups are bigger with 180 gr bullets. I settled on IMR-4831 with a 180 SGK for a hunting load 2950 fps and under 1".
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      #12  
    Unread 05-25-2007, 07:24 AM
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    Re: 300 WM powder choice

    Nice shooting!

    JD338
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      #13  
    Unread 05-25-2007, 07:28 AM
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    Re: 300 WM powder choice

    +3 H-1000
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      #14  
    Unread 05-25-2007, 02:12 PM
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    Re: 300 WM powder choice

    [ QUOTE ]
    IMR 4350 or RL 19 for bullets 165 and lighter

    H4831 or RL 22 for 180 and heavier

    I favor the RL 22 @ 76.0 with 180 Nosler Part. in my 300 Win

    [/ QUOTE ]

    Same experience, but with the Barnes TSX you can´t go wrong.
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