More expensive to feed, but worth it.
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I am using 42 grs of IMR-4831 for 2750 fps from a 26" 1/8 twist barrel. This load is far from hot but it gets the job done without beating me up. I would certainly go to H-4350 because of this powder being less temperature sensitive. I am just about through my last 8 pounds of IMR-4831 and if the barrel survives I will be trying to develop a load with h-4350.