The Ed Brown 1911 Government 9mm Luger 13# Flat Wire Recoil Spring System is a precision-engineered component designed to enhance the performance of your 1911 Government model handgun. This recoil spring system features a 13-pound flat wire construction that provides reliable consistent operation ensuring smooth cycling and reduced recoil for improved accuracy and control. Whether you're a competitive shooter or a firearm enthusiast this high-quality recoil spring system is an essential upgrade for maintaining the optimal function of your 9mm Luger pistol. Crafted with durability and longevity in mind it offers exceptional performance for a superior shooting experience.