R26 and the 280AI with 150's

The Accurate Reloading Forums

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https://forums.accuratereloading.com/eve/forums/a/tpc/f/2511043/m/2001021422

20 August 2016, 22:46

ted thorn

R26 and the 280AI with 150's

R26 data for 150's in the 270 Win look very good.

How would you load R26 for the 280?

I would think to use starting point data for the 270 and work up?

Seems logical.....but

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22 August 2016, 20:24

Stonecreek

Yes, it would be safe to assume that, with the same charge with the same bullet weight in the same (or slightly larger) case, a very slightly larger bore would generate slightly less pressure.

The .280 and .280 AI with bullets of 150 grains and up can use surprisingly slow powders. RL-26 sounds like a good bet in it.