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Old May 28, 2012, 06:36 PM   #4
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Join Date: March 15, 2011
Location: Salt Lake City, UT
Posts: 416
I have Hodgdon's 2012 guide. It has a lot of data for H4227. Not so much for the IMR. Their online data is the same as in the guide. My question is can I use the H4227 data and is the Australian made IMR 4227 the same powder now as the H4227?

Last edited by mmb713; May 28, 2012 at 11:04 PM.
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