The ProMag SMI28 Standard 10rd Extended 9mm Luger magazine is expertly designed to enhance the performance of your Smith & Wesson M&P Shield, excluding the Shield EZ variant, by offering an extended capacity of 10 rounds. Crafted with precision in Phoenix, Arizona, this pistol magazine is constructed from heat-treated blued steel, ensuring durability and reliability in every use. The incorporation of ProMag's proprietary TECHNAPOLYMER components and an anti-fatigue spring allows you to keep the magazine loaded and ready for up to six years without any concerns about performance degradation. This attention to detail and quality is backed by ProMag's lifetime warranty, providing peace of mind and assurance in your purchase. The magazine's sleek blue finish not only complements the aesthetics of your firearm but also enhances its functionality, making it an ideal choice for both professional and recreational shooting. With a manufacturer part number of SMI28 and a UPC of 708279012051, this magazine is a must-have accessory for any Smith & Wesson M&P Shield owner looking to improve their shooting experience. Whether you're at the range or in a competitive setting, the ProMag SMI28 ensures that you have the extended capacity and reliability you need, making it a valuable addition to your firearm collection.