The COMPETITION EXTRA POWER RECOIL SPRING is USA manufactured to exacting tolerances for smooth trouble free operation.   Use of this spring will require our STAINLESS STEEL RECOIL SPRING GUIDE ROD unless  you want to grind the Ruger factory crimp out of your factory assembly.  

For custom rifle and pistol builds, the COMPETITION EXTRA POWER RECOIL SPRING is an inexpensive performance enhancing upgrade.