ProMag S&W M&P Shield 9mm 10rd Magazine, Blued Steel - SMI28

10-round magazine for Smith & Wesson M&P Shield chambered in 9mm Luger with blued steel construction. Features heat-treated steel components molded with ProMag's proprietary TECHNAPOLYMER and anti-fatigue spring designed to maintain reliability when loaded for extended periods. Manufactured in Phoenix, Arizona and backed by a lifetime warranty.