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 providing an extended capacity of 10 rounds. Crafted with precision in Phoenix, Arizona, this magazine is made from heat-treated blued steel, ensuring exceptional durability and reliability for every shooting session. 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, maintaining optimal performance without degradation. 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. Whether you're at the range honing your skills or participating in competitive events, the ProMag SMI28 provides the extended capacity and reliability you need, making it an essential accessory for any Smith & Wesson M&P Shield owner looking to elevate their shooting experience.