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Thanks BBB. I just didn't remember which one it was that many years ago was advertised as being able to shoot the standard 9mm and .38 Colt auto rounds as well as the 9mm Largo it was chambered in.

You might be thinking of the Astra 600. I seem to remember that one of them has a chamber that will fire the standard 9mm as well as the Largo and the old .38 Colt rounds.