Wilson Combat Recoil Spring - 15 lb Government 1911

Recommended Use: Full-Size 5" .38 Super +P shooting full charge target or self-defense ammunition or .45 ACP shooting 185 gr. JHP or target ammunition with a power factor of 140,000 to 165,000 (Velocity x Bullet Weight = Power Factor) Average Service Life: 3,000 Rounds Wilson Combat Heavy-Duty Recoil Springs are made combat tough to repeatedly take a pounding yet show remarkably consistent performance every time a round is fired. Keeping a fresh recoil spring in your pistol will dramatically reduce the pounding your slide and frame receive.