W572 can be used for a 12 Ga. , 1 1/4oz lead payload at 1330fps at 11,300 psi.
I can not find a powder that matches it in shotgun loading so far.
It has been tested in the 9mm for "Major loads" and it will work out but....
one problem is that this powder is temperature sensative and fps can change with just 30 degrees of temperature.
It will work for target to +P loads and many report it to be a clean burning powder in revolvers and pistols.
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