Thread: Imr 4831?
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Old 07-22-2011, 11:07 AM
Jack Jack is offline
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Join Date: Jun 2002
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Most sources say that IMR4831 and Hodgdon 4831 are NOT the same- IMR's version is a little faster. My unscientific observation from using both powders would agree that they are different powders, and one cannot be substituted for the other.
Even in the cases of 2 powders being the same powder, but sold by different companies, like H110/W296 and H414/W760, the lots are not the same. If you switch from one powder to the other, you should work up loads again.
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Last edited by Jack; 07-22-2011 at 11:14 AM.
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