The Beretta JM4PX4010 Factory Magazine guarantees exceptional reliability and durability for your firearm. Crafted to meet rigorous Beretta standards, this magazine delivers optimal performance when you need it most. Designed with a robust steel body and spring, this factory magazine ensures a precise fit, making it an essential accessory for shooting enthusiasts and professionals alike. Beretta Factory Magazine Steel Spring Steel Body Polymer Baseplate Choose the Beretta JM4PX4010 Factory Magazine for unmatched quality and performance every time you pull the trigger.