This is a factory 20-round magazine for the Beretta PX4 Storm chambered in 9mm. This 20-round magazine has a extended sleeve that extends the length of the grip. Its stainless steel body provides the quality and longevity you have come to expect from Beretta.
Also compatible with Cx4 Storm with Px4 Magazine Well, PX4 Compact 9MM, PX4 Sub-Compact 9MM* (Will extend below the base of the grip on a Compact and Sub-Compact) Caliber: 9mm. Finish: Black