Supers are pretty common here, as they were legal for a long time in Mexico. There’s a Cor Bon loading that just about duplicates the performance of the .357 125 grain which is a good stopper. Put it in a Lightweight commander (27 ounces) and you essentially have a 10+1 .357 that kicks like a 9mm.
I should have bought it. I think I have only seen 2 of them.
Both were full size. One was stainless