Factory new magazine by Beretta. Magazine can be marked P.B. or M.D.S. (Mecannica del Sarca). Mecannica del Sarca is owned and operated by Beretta Holding S.P.A., and is the exclusive manufacturer of factory Beretta magazines and stocks.
Beretta 8040/8357 Cougar Magazine with an unmarked polymer floorplate and magazine body is caliber marked: .357 Sig/.40S&W, 10 round, Black, New, Factory
Beretta 8040/8357 Cougar Magazine, 10 Rnd