The Ismi 15 LB. C/S Recoil Spring delivers reliable timing and smooth cycling for 1911 Government pistols, making it a trusted choice for shooters who demand consistent performance from their handgun parts. Designed specifically for Government?model 1911s, this 15-pound weight assists in controlling muzzle lift and impulse, contributing to steadier follow?up shots and enhanced extraction reliability across a variety of loads. Built to aerospace?grade tolerances, the Ismi 1911 Government recoil springs maintain key tension through thousands of cycles, helping to preserve wear on the slide, frame, and locking lugs while promoting long?term function under field, range, and duty?style use. Whether youre rebuilding a classic 1911 or tuning a competition pistol for precision and speed, this spring offers predictable recoil impulse and crisp lock?up, supporting consistent reloads and smoother slide return. Its compatibility with 1911 Government models makes it a practical upgrade for shooters seeking dependable recoil management, improved slide timing, and enhanced overall reliability without compromising accuracy. Rely on Ismi to deliver a proven recoil spring solution that integrates seamlessly with your 1911 Government platform for practical, real?world performance.