Wilson Combat's 16 lb. recoil spring full size 5" .38 Super shooting target ammunition with a power factor of 160,000 to 175,000 (Velocity x Bullet Weight = Power Factor) Average service life 20,000 Rounds. Keeping a fresh recoil spring in your pistol will dramatically reduce the pounding your slide and frame receive.
|Material||Chrome Silicone Steel|
Determined at checkout.