Mine will NOT chamber a .357 round. I've tried and the magnum round will go in about as far as a .38 would, but not all the way and nowhere near far enough for the cylinder to close.
I won mine at a ppc match in Las Vegas in the mid 90's. I was told by the match directors that a run of 1100 were made for the Brazilian National Police, 1000 of which were sent to Brazil. Of the 100 that remained in the U.S., 50 were given away as prizes in the Vegas match. Can't guarantee the...