The ProMag Steel Magazine for the Smith & Wesson Shield in .40 S&W is an essential accessory for any firearm enthusiast seeking reliability and performance. This 7-round magazine is expertly constructed from heat-treated blued-steel components, ensuring durability and longevity even under rigorous use. The innovative design incorporates ProMag's proprietary TECHNAPOLYMER, which enhances the magazine's resilience while maintaining a lightweight profile. Additionally, the anti-fatigue spring allows you to keep the magazine loaded and ready for action for up to six years without any degradation in performance, making it an ideal choice for both everyday carry and range practice. Designed specifically for the Smith & Wesson M&P Shield platform, this magazine seamlessly fits your firearm, providing smooth feeding and consistent operation. Whether you're a seasoned shooter or a newcomer to the world of handguns, the ProMag Steel Magazine delivers the reliability and peace of mind you need when it matters most, ensuring that your Smith & Wesson Shield is always ready for any situation.