The Ed Brown M&P Recoil Spring is expertly crafted for Smith & Wesson M&P handguns designed to provide optimal performance and reliability. This flat wire recoil spring operates with a 13-pound resistance enhancing the cycling process for smoother operation and reduced recoil. Ideal for shooters seeking precision and durability the spring ensures consistent performance under various conditions making it a perfect upgrade for those looking to improve their firearm's handling and efficiency.