The Beretta JM4PX4017 Px4 Storm magazine delivers reliable feeding and extended capacity for .40 S&W pistols. Factory-engineered with precision tolerances, this 17-round magazine maintains the feeding reliability that Px4 Storm owners depend on during extended range sessions and critical situations.
What Makes This Different
Beretta's factory magazines feature heat-treated steel construction with a corrosion-resistant black finish that outlasts aftermarket alternatives. The follower design incorporates anti-tilt geometry that prevents feeding malfunctions common in high-capacity magazines. Internal spring tension remains consistent through thousands of loading cycles, maintaining reliable feeding even when fully loaded for extended periods.Key Features
- 17-round capacity for .40 S&W cartridges with reliable feeding geometry
- Heat-treated steel body with black oxide finish resists corrosion and wear
- Anti-tilt follower design prevents jamming and ensures consistent feeding
- Factory-engineered spring maintains proper tension through 10,000+ cycles
- Polymer base plate with lanyard loop for tactical applications
- Drop-free design allows rapid magazine changes under stress
- Compatible with all Beretta Px4 Storm pistol variants in .40 S&W
Technical Specs
- Caliber: .40 Smith & Wesson
- Capacity: 17 rounds
- Body Material: Heat-treated steel with black oxide finish
- Follower: High-impact polymer with anti-tilt design
- Base Plate: Reinforced polymer with lanyard attachment point
- Overall Length: Approximately 5.2 inches
- Weight: 4.1 ounces empty
- Compatibility: Beretta Px4 Storm pistols in .40 S&W
- Country of Origin: Italy
