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270 WSM Powder

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  #8  
Unread 08-05-2013, 02:09 PM
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Join Date: Aug 2010
Posts: 94
Re: 270 WSM Powder

I'm going to pick up a pound of Retumbo today, anyone got any good loads for it?
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  •   #9  
    Unread 08-05-2013, 03:34 PM
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    Join Date: Apr 2010
    Location: OREGON
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    Re: 270 WSM Powder

    ive been doing alot of testing for 2 different 270 wsm's. Everyone talks about RL 19 and 140 accubonds. For me it didnt shoot well in either. I have found that H4831SC with 130 Barnes TTSX to shoot best. Tried 4350, RL19, RL22, Retumbo, H1000, and 7828
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      #10  
    Unread 08-05-2013, 07:11 PM
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    Join Date: Aug 2012
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    Re: 270 WSM Powder

    I shoot 140 gr Sierra gamekings with 65gr H4831sc. Win. brass and Fed 210 primers. Velocity is at 3150 fps. Shoots .5 groups at 100 yrds and if I do my part inch groups at 500 yrds. No signs of pressure and my rifle loves the Sierra gamekings.
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      #11  
    Unread 08-06-2013, 10:48 AM
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    Join Date: Feb 2008
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    Re: 270 WSM Powder

    According to the Hodgdon web site 71.0 grains of Retumbo is listed as a max load, with a 140 grains bullets, and this gave 3165 ft/sec. velocity. I have worked up to this in my Winchester Model 70 and it has produced good accuracy and over 3100 ft/sec velocity.

    I used Remington brass with WLRM primers and 140 grains Accubonds to work up the load.
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      #12  
    Unread 08-06-2013, 10:56 AM
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    Join Date: Jun 2010
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    Re: 270 WSM Powder

    Magpro was formulated for the WSM case, and that'd be my starting point
    gary
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      #13  
    Unread 08-06-2013, 12:46 PM
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    Join Date: Jul 2013
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    Re: 270 WSM Powder

    H4831SC has worked well for mine.
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      #14  
    Unread 08-06-2013, 12:49 PM
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    Join Date: Aug 2010
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    Re: 270 WSM Powder

    Quote:
    Originally Posted by Trickymissfit View Post
    Magpro was formulated for the WSM case, and that'd be my starting point
    gary
    Is MagPro pretty temperature stable?
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