The Ed Brown 1911 Government 45 ACP 18# Flat Wire Recoil Spring is expertly designed to enhance the performance of your 1911 Government model. Engineered for reliability this 18-pound flat wire recoil spring provides superior tension and durability ensuring smooth operation and reduced wear on your firearm. Ideal for shooters seeking optimal function and longevity this spring is a perfect upgrade for maintaining peak performance of your 1911.