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Imr4831
That's about a 10% reduction and I would say that is plenty for any production rifle. I wish I would have had that information a few years ago. I bought a 300RUM soon after they came out and not only was there no reloading info available there was no brass. I wanted to load 180 gr. partitions so I called Nosler. They recommended two powders, IMR7828 with a starting load of 87 gr. and max of 91. The other load was RL-25 with starting load of 92gr. and max of 96. BOTH LOADS FOR 180 GR. PARTITIONS. I'm not making any loading recommendations here only giving examples of the relationship between starting and maximum loads in these two powders. It looks like they use about a 5% difference. I've been using the max loading of RL-25 for the 180 partition at average 3340 fps. I'll admit, those shot strings come from 5 shots at one sitting.
Is that the Dog Creek in the Sacto River canyon?
Ron
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