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257 wby loads

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  #1  
Unread 03-07-2011, 06:09 AM
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Join Date: Apr 2009
Location: Queensland Aust.
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257 wby loads

Hi I have just got me a 257 wby mag while I'm still running the barrel and not too fussed about the loads yet. What are some of the better loads that you guys have come up with??

I live in Australia and really only have access to ADI powders but I'll hunt down any that I can get.

Cheers
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  •   #2  
    Unread 03-07-2011, 06:21 AM
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    Re: 257 wby loads

    Ah, the .257 Weatherby Mag. I love that caliber.
    I run a pretty hot load in mine so be careful and work up to it. I get 3725 fps out of 72.0 grs of RL22 using Barnes 100gr TSXs. Keep in mind that RL22 is temperature sensitive and running a hot load with this powder in hot weather might cause problems.
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      #3  
    Unread 03-07-2011, 06:26 AM
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    Join Date: Apr 2009
    Location: Queensland Aust.
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    Re: 257 wby loads

    Thanks for the reply. RE22 sits somewhere between ADI's AR2213SC and AR2217. I had been using AR2209 but I found that the load Density wasn't all that flash. I might try to find sone RE22 or just try out a slower burning powder to what I have at the mo.

    Thanks again.
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      #4  
    Unread 03-07-2011, 09:09 PM
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    Join Date: Feb 2009
    Location: Flag, Az
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    Re: 257 wby loads

    70.0grns of rl25 behind 115 bergers is my load for my accumark i get 3150fps coal 3.250

    Last edited by jayran; 03-07-2011 at 10:44 PM.
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      #5  
    Unread 03-07-2011, 10:41 PM
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    Re: 257 wby loads

    Quote:
    Originally Posted by LRSickle View Post
    Ah, the .257 Weatherby Mag. I love that caliber.
    I run a pretty hot load in mine so be careful and work up to it. I get 3725 fps out of 72.0 grs of RL22 using Barnes 100gr TSXs. Keep in mind that RL22 is temperature sensitive and running a hot load with this powder in hot weather might cause problems.
    Same load I use but I use the Barnes Tipped TSX 100gr.
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      #6  
    Unread 03-07-2011, 11:25 PM
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    Re: 257 wby loads

    69 gr RL25 Berger 115 sub minute No sign of pressure
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      #7  
    Unread 03-08-2011, 06:59 AM
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    Re: 257 wby loads

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