The Ed Brown 20lb. Commander Recoil Spring is a premium upgrade designed for 1911 Commander models engineered to enhance the performance and reliability of your firearm. Made with precision and durability in mind this 20-pound recoil spring ensures smoother cycling and reduces felt recoil providing a superior shooting experience. Ideal for those seeking optimal function and longevity in their 1911 Commander this spring is a must-have component for serious enthusiasts and competitive shooters alike.