338RUM Accuracy Load?

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Apr 8, 2006
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I'm having a 338 Ultra Mag built and would like some assistance with a good 300gr Matchking load. Rifle will be used @ extreme long range, so accuracy is paramount.

Also, has anybody found a source for reasonable Rem brass for this round?

Thanks in advance.
 
I use 92 grains of H1000 and Federal match magnum primers with the 300 smk. I get 2770 out of a 26" barrel.
 
What do you mean by velocity spread? I can get it to shoot faster but it starts showing pressure signs with any more powder than 92 grains.


The velocity spread I am talking about is from shot to shot. How consistent is the velocity in say a five shot string? Thanks.

Chawslton
 
The velocity spread I am talking about is from shot to shot. How consistent is the velocity in say a five shot string? Thanks.

Chawslton
Its very consistent. If I remember right there is no more than 5 to 10 fps change with a 3 shot string.
 
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