Just remember that Blue Dot is NOT a good "Cold Weather Powder" and you will have no problems.
I now use 2400 for cold weather with the 357 and 125 gr. bullets.
It even has problems with 12 Ga. Steel loads in cold weather
as I found out, years ago. One reason I use Alliant Steel powder now.
It is still a great high fps powder for the 124 gr JHP in the 9mm case, though.
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