The Ed Brown 1911 Commander 9mm Luger 15# Flat Wire Recoil Spring is a precision-engineered component designed for the iconic 1911 Commander model. Crafted to enhance reliability and performance this 15-pound flat wire spring ensures smooth cycling and reduced recoil making it an ideal upgrade for your 9mm Luger. Whether for competitive shooting or personal defense this recoil spring offers durability and consistent function maintaining the legendary feel and operation of your 1911 Commander.