Smith & Wesson M&P .40 S&W / .357 Sig 10-Round Magazine

This is a 10-round .357 SIG / .40 S&W Smith and Wesson M&P magazine.The Smith & Wesson M&P .40 S&W 10-round magazine is a genuine S&W factory magazine designed for optimal compatibility with your full-size M&P40 pistol.Constructed from durable stainless steel, this M&P .40 magazine is built for lasting service and corrosion resistance in harsh environments.Additionally, this M&P40 magazine features a high-tensile steel spring and polymer follower to ensure smooth, reliable feeding performance, w