Still Experimenting Loads for the 280 AI

sgt_zim

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I want to try the 160 Shock Hammers, and Staball 6.5 and N560 seem to be the best performers for it.

But.

The test loads were out of a 26" barrel, and mine is only 22".

I also am about to test 175 North Forks out of it.

I have about a half pound of H4350 left, which works pretty well with 156 gr Oryx.

Are staball and n560 too slow for a full burn out of 22" and those weight bullets? Hammer shows 3140 and 3160, respectively, so I'm guessing my best for either 1 out of my rifle will be probably around 3050 for the 160 gr Hammer; and maybe 2750 for the NF.

Other powder I have on hand is IMR4831, Ramshot Magnum, and 2000MR (though that seems a little too fast).
 

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