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jepp2 · January 23, 2015, 10:10 PM

I'm shooting single base powders from the mid 60's that are still just fine. But I have also had a single base powder (IMR 4350) from the early 90's that went bad. Both stored properly.

January 23, 2015, 10:10 PM	#6
jepp2 Senior Member Join Date: December 24, 2008 Location: Loveland, CO Posts: 1,476	I'm shooting single base powders from the mid 60's that are still just fine. But I have also had a single base powder (IMR 4350) from the early 90's that went bad. Both stored properly. __________________ NRA Benefactor Life member