So, the paper bags of old Hodgdon 4831 that we bought in 1968 at the NRA convention might be getting a little old in the tooth?
Dunno.
Lots of Internet forums posts regaling the magical keeping powers of that original war surplus powder.
The take-home message for me is that it is best to take powder stability to be a lot by lot issue.
I assumed it was gospel that powder stability was a known entity. Surprise the hell outta me when I found that it was not, particularly in my own inventory.
edit to add: Not saying it is any more than coincidental but I find it interesting that several reports of premature powder decay (presumably nitric acid off-gassing) are powders of European origins, e.g. Reloader and VV.
