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Powders for 308

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  #1  
Unread 02-24-2009, 09:19 PM
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Powders for 308

I'm going to start reloading for my 308. The particular load I'm going to develop will be for 1k target shooting with the 175grain SMK.

Given that part of long range accuracy is a small standard deviation in velocities, I'm hoping you will chime in with powders they have used for the 308 that have regularly produced a small standard deviation.

Further, I'm hoping you will share with me the type of primer and range of powder charge you have used to achieve a small standard deviation.

Thank you for your help.
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  •   #2  
    Unread 02-24-2009, 09:37 PM
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    Re: Powders for 308

    In the .308, hodgdon VARGET rules the roost. It will be hard to beat with anyload in the 155, 175, or 190. My 155 load consists of a Fed M215, 46.5 gr. Varget in a Win. Case. and a Berger 155.5 Fullbore bullet. Leaves my 30" 3 groove @ 3010fps. ES is around 8-10 over 5 shots. Don't be scared to try Magnum primers. The ES is lower in my loads.

    Good Luck,
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      #3  
    Unread 02-24-2009, 10:31 PM
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    Re: Powders for 308

    Thanks for the quick reply Earl. I just want to be sure...."ES" = extreme-spread...yes?
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      #4  
    Unread 02-24-2009, 10:31 PM
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    Re: Powders for 308

    VV540 works well with the heavy bullets like 175 SMK. 180 SMK in my 308 26" match gun will not make it to 1,000 yards.

    Last edited by long450; 02-26-2009 at 07:13 PM.
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      #5  
    Unread 02-26-2009, 10:24 AM
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    Re: Powders for 308

    w-748,Varget,IMR-4895 and RL-15 are all top shelf powders for the 308 winchester that wont go wrong.................
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      #6  
    Unread 02-26-2009, 04:47 PM
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    Re: Powders for 308

    dont forget about imr 4064 as well
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      #7  
    Unread 02-26-2009, 06:27 PM
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    Re: Powders for 308

    1. IMR 4064 ( all around best for bolt and gas guns)

    2. Varget best for bolt guns with lowest ES

    3. RL15 Choice of M118LR Sniper round using 175gr HPBT

    4. W748Temp sensitive but can LOAD HOT for extra velocity at long distances

    But don't be stupid. accuracy over all else.
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