Beretta USA JM4PX4017 Px4 Storm 17rd 40 S&W Black Steel
This replacement or spare magazine is compatible with your Beretta Px4 Storm. It is also compatible with these other Beretta models: Cx4 Storm with Px4 magazine well insert/magazine release, Px4 Compact, and Px4 Sub-Compact. *Note- If you are purchasing this magazine for a CX4 Carbine, please ENSURE that your pistol has a compatible adapter.