Unique Substitutes

W-231 used to be kind of similar to Unique, but a little faster burning.

In my 9mm (short case) loads that I test and chrony
I find that Green Dot will match w231 in the fps department
with almost the same amount of power weight.

The long 38 case is a little different with the amount of powder used.

However this might be with the "Lots" of my powder, vs yours?
 
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