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I realize that the two powders are not identical. As best I can tell from my research, IMR4350 is a bit faster than H4350. That said, if you have a load expressed in H4350 that you want to convert to an equivalent IMR4350 load or vice versa, how would one do that? Specifically, I am trying to find out what an equivalent load would be in H4350 for 95 grains of IMR4350. Thoughts? Mike | ||
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One of Us |
I have found that you can use IMR 4350 load data to load H4350, but not the opposite. And even Accurate Arms 4350 is different. One of their ballisticians told me a few years ago that their powder was a grain slower than IMR 4350... I found that to be absolutely correct. And different lots of the same powder can vary a bit. I would start at about 92 grains of H4350 and work up slowly. Good luck! | |||
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contact Hodgdens and ask them....they are distributor of both of these powders. /////////////////////////////////////////////////////////////////////////// "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." Winston Churchill | |||
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I have also found H4350 to be just a bit slower. There is no conversion factor because each cartridge responds diff. to each powder. What cart. are you loading for w/ 95gr??? LIFE IS NOT A SPECTATOR'S SPORT! | |||
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One of Us |
.500/.416 NE. African Hunting Info lists a load for the .500/.416 NE with a 400 grain bullet of 91 grains of H4350. Someone else gave me a .500/.416 load for a 400 grain bullet of 95 grains of IMR4350. I am trying to see how the two compare. Mike | |||
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I figured as much, only thing holding that much med. powder must be a .416rigby or sim. I would drop 2gr & work back up. They are very close in burn rate. You might want to give RL19 a try. I have been using it in my .404jeffery w/ great results under 380-400gr bullets. It's a bit slower than IMR4831. LIFE IS NOT A SPECTATOR'S SPORT! | |||
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They actually say that RL22 works well with the .500/.416. I just wish there was more available loading data for the cartridge, it is like trying to find a needle in a haystack. Mike | |||
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