ProGunGuy Posted February 21, 2012 Share Posted February 21, 2012 of the same powder? I'm just about through with a 8# jug of WST. Got another one of a different lot. When using a new lot, do I, and should I, go through the work of redeveloping loads with the new lot? Link to comment Share on other sites More sharing options...
warpspeed Posted February 21, 2012 Share Posted February 21, 2012 Only for weight that the measure is dropping. New 8# of the same powder gets the following treatment. Compare weight using the same powder measure settings. If I do not have to make a significant change ( 0.2 gr or less ) then I just keep going. If I have to drastically change it, then I might go through it again. I have not had issues with the VV stuff. Very consistent but I tend to get a lot of the same lot #. I have also had good luck with the Alliant flake powders like Green Dot even going from lot to lot. Double check pf next time out to confirm Link to comment Share on other sites More sharing options...
bbbean Posted February 21, 2012 Share Posted February 21, 2012 of the same powder? I'm just about through with a 8# jug of WST. Got another one of a different lot. When using a new lot, do I, and should I, go through the work of redeveloping loads with the new lot? It depends on how much of a hassle it is to check and whether I'm shooting a major any time soon. I'd hate to drop from a comfortable 172-175 to 164.9 because different batches ran different! BB Link to comment Share on other sites More sharing options...
sdm74 Posted February 21, 2012 Share Posted February 21, 2012 I would make a small batch to chrono to see if there are any significant changes Link to comment Share on other sites More sharing options...
Jay870 Posted February 21, 2012 Share Posted February 21, 2012 Always. Though I use Solo 1000 which is kind of notorious for lot to lot variation. Link to comment Share on other sites More sharing options...
carlosa Posted February 21, 2012 Share Posted February 21, 2012 It's not a bad idea to check.. Link to comment Share on other sites More sharing options...
dmc_md Posted February 23, 2012 Share Posted February 23, 2012 I do not. Darren Link to comment Share on other sites More sharing options...
ParaGunner Posted February 23, 2012 Share Posted February 23, 2012 Yes, small variations can be common from different manufacturing dates for the same powder. Better to be safe then sorry. Check it. Link to comment Share on other sites More sharing options...
Sarge Posted February 23, 2012 Share Posted February 23, 2012 +1 Check it! I don't like surprises in my reloads, even small ones. Link to comment Share on other sites More sharing options...
dsmw5142 Posted February 24, 2012 Share Posted February 24, 2012 Absolutely... i always check it Link to comment Share on other sites More sharing options...
Edubya Posted February 24, 2012 Share Posted February 24, 2012 of the same powder? I'm just about through with a 8# jug of WST. Got another one of a different lot. When using a new lot, do I, and should I, go through the work of redeveloping loads with the new lot? I don't call it "redeveloping" but I'd lot rather set up the chrono and check it than to blow up a gun. I'll back off a couple tenths and try them on a few. If you're buying 8lbs at a time it's not gonna change for another couple of thousand rounds. EW Link to comment Share on other sites More sharing options...
MARKAVELI Posted February 24, 2012 Share Posted February 24, 2012 yup! Link to comment Share on other sites More sharing options...
Mike_P Posted February 28, 2012 Share Posted February 28, 2012 I check mine for weight variations. Then load up a few dozen rounds to test out. If it gives me any fluctuations, I'll rework the load slightly, but otherwise I just get going with my pet loads. Link to comment Share on other sites More sharing options...
Carmoney Posted February 28, 2012 Share Posted February 28, 2012 Smokeless powders are amazingly consistent from container to container, and from lot to lot. Lots of powder are compared against a control standard before they are packaged and released to the market, and are destroyed if not exactly on specification. Link to comment Share on other sites More sharing options...
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