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Favorite powder for the 300WM?

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  #15  
Unread 01-31-2006, 09:53 PM
LB LB is offline
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Re: Favorite powder for the 300WM?

regarding the magnum primer question. I have always used Win. large rifle 8 primers in my 300WinMag. I think that in some cases, a magnum primer works against slower propellants.

Good hunting. LB
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  •   #16  
    Unread 02-01-2006, 08:50 AM
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    Re: Favorite powder for the 300WM?

    Chrono will tell you why. Normally much higher ES and SD with magnum primers vs standard.

    Just because the case is a magnum does not always mean it is better to use magnum primers.

    Another reason why a chrono is an essential tool for extreme accuracy. Helps separate truth from "assumptions".

    BH
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      #17  
    Unread 02-01-2006, 09:30 AM
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    Re: Favorite powder for the 300WM?

    [ QUOTE ]
    Just because the case is a magnum does not always mean it is better to use magnum primers.

    [/ QUOTE ]

    My information seems to be trending in that direction also.
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      #18  
    Unread 02-01-2006, 07:11 PM
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    Re: Favorite powder for the 300WM?

    [ QUOTE ]
    I have used H4831 forever, still puts 5 into 3/4ths inch groups. If I was starting out, I would have to try R22.

    Good hunting. LB

    [/ QUOTE ]

    .750 at what distance ?
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      #19  
    Unread 02-01-2006, 07:29 PM
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    Re: Favorite powder for the 300WM?

    Actionshooter , hey guy ,

    I really don't know what is my favorite powder at this point and I have been at it on this caliber for a little over a year . By that I mean using the techniques and tips gleaned from this site and some others .

    I have tried h1000, rl 22, h4831 , h4350, 190 smks , 210 wc's , 220 smks . Out to as far as 875 yds.

    Tests are not finished and they are not conclusive but the most accurate load so far is re22 73.2 grs. under a 190 smk. That may be about to change as a load using the 210 gr wildcats and 78.8 gr. h1000 is poised to kick some but in the accuracy annd velocity department . Down range figures look to surpass my 220 smk over a charge of 75 grs of h1000@ 2800 fps .

    Daaaang !! [img]/ubbthreads/images/graemlins/laugh.gif[/img] [img]/ubbthreads/images/graemlins/cool.gif[/img] [img]/ubbthreads/images/graemlins/grin.gif[/img] , well anyway , thats alll at this point but I'm working daily to come up with more data .
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      #20  
    Unread 02-01-2006, 07:38 PM
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    Re: Favorite powder for the 300WM?

    BH,

    What std primer would be your choice for the 300 winnie or is it a " try'em all" proposition ?

    Thanks , Jim
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      #21  
    Unread 02-01-2006, 08:28 PM
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    Re: Favorite powder for the 300WM?

    RL22 and Federal GM215M primers.

    Regards,

    JD338
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