MAGAZINE PX4 9MM 20RD Manufacturer Model Number: JM4PX920 Manufacturer: Beretta Model: PX4 Storm Magazine Caliber: 9mm Type: Accessory-Magazines Item Type: Accessory Firearm / Accessory Capacity: 20 Finish: Black Shipping Weight: 0.25 Optic Adjustable Objective: false Optic Reticle Illuminated: false