Wilson Combat 1911 Recoil Spring 12lb. Commander-Size 4.25" 9mm shooting full charge ammunition or .38 Super / .45 ACP shooting target ammunition with a power factor of 130,000 to 150,000 (Velocity x Bullet Weight = Power Factor)

Average Service Life: 4,000 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.