Beretta PX4 Compact Pistol Magazine 9mm Luger 15 Round Black 1 Pack Steel JM88400-15RD. It is also compatible with the PX4 Compact and PX4 Sub-Compact. Specifications for Beretta PX4 Compact 9mm Luger 15 Round Pistol Magazine: Manufacturer: Beretta Gun Make: Beretta Gun Model: Beretta Px4 Storm Compact Caliber: 9mm Luger Magazine Capacity: 15 Round Color: Black Fabric/Material: Stainless Steel Package Contents: Beretta PX4 Compact 9mm Luger 15 Round Pistol Magazine What firearm models does the manufacturer say Beretta PX4 Compact 9mm Luger 15 Round Pistol Magazine is compatible with? The manufacturer suggests that Beretta PX4 Compact 9mm Luger 15 Round Pistol Magazine is compatible with Beretta Px4 Storm CompactBeretta JM88400-15RD: PX4 Compact Pistol Magazine 9mm Luger 15 Round Black 1 Pack Steel