3031 has been my go to powder for my .270 since 1975. Warning, since you are just getting back into reloading, primers of any size, are difficult to come by.
I have full can of 3031 and 4064 that I KNOW can not be newer than 1984. I know it's been stored indoors since then. What are opinions here about using it? Would I be correct to assume that it has weakened some and current recommended starting loads may be a little too low for this old powder?
I have full can of 3031 and 4064 that I KNOW can not be newer than 1984. I know it's been stored indoors since then. What are opinions here about using it? Would I be correct to assume that it has weakened some and current recommended starting loads may be a little too low for this old powder?
Very likely in metal cans? Dump some out on a sheet of white paper... look for rust or powder clumps, and give it a good sniff... if it's very acrid, it's deteriorating.
Otherwise, just start low and work up, like you would with any new powder.
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