165 Gamekings in a .300 Win Mag


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Tang419
November 11, 2008, 04:17 PM
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

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Geno
November 11, 2008, 06:20 PM
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

Tang419
November 12, 2008, 05:02 AM
Thanks

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