Replacement or spare magazines for your 9 mm Px4 Storm. Available in 20 round capacity. Also compatible with: Well Insert/Magazine Release, PX4 Full Size 9MM, 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 JM4PX920 is an extended magazine.
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