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165 Gamekings in a .300 Win Mag

Discussion in 'Handloading and Reloading' started by Tang419, Nov 11, 2008.

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  1. Tang419

    Tang419 Member

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    Jul 15, 2006
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    Any reciepes ? Right now I have a few loaded up for testing. Naturally Im working up, but the max loads I have are 74gr of IMR-4350, and 79.5gr of RL22. All seated to 3.34 OAL
     
  2. Geno

    Geno Member

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    My favorite .300 Winchester load is a 165 Sierra, over 78 grains of H4831** with either a Federal 215 or a Winchester magnum primer. These loads put the projectile down the barrel at just south of 3,200 FPS from a 24" barrel. The indicated velocity in the Hodgden manual is 3,180, but the last string of 20 that I put through a chronograph indicated an average of about 3,198 FPS.

    Just as an FYI, this is the same load I use with my Sierra 168 Match projectiles. Both are loaded into form-fired brass, and neck-sized only. These loads average between 0.5 to 0.75 MOA, for 3-shot groups at 100 yards, off the bench and sandbagged.

    **Indicated as Max-loads.

    Doc2005
     
  3. Tang419

    Tang419 Member

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    Thanks
     
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