Like many others that have been handloading for many years I used Unique back in the day because there wasn’t much to choose from in the medium burn rate category. After using 231 for many years now I will never buy another can of Unique. 231 is superior in every way. With it you can load the .38 spl with 158 gr cast bullets from 800 to 1,000 FPS in a 4” barrel and the .357 to over 1,100 FPS. Great metering, linear velocity increases and very low ESs. 231 is a great powder.
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