And Midwest Gun Works. Additionally, you can see the approximate date of manufacture as well as being able to view/download an owners manual, choke tube. Italian date codes for guns. Fabbrica d'Armi Pietro Beretta is a privately held Italian firearms manufacturing company. the firm's control; uncles Carlo and Giuseppe Beretta were childless; Ugo married into the Beretta family and adopted the last name Beretta. His sons.