Stock up on replacement rebound springs and avoid the hassle of a missing or broken part when at the range or working on your gun. These rebound springs match the factory rebound spring specifications for an ideal fit in your pistol. These are a drop-in part that require no tools to install. The springs come five in a pack, to ensure you always have extras on hand. FeaturesFactory Springs for Ideal FitEasy, Drop-In InstallationSupports Multiple Ruger Models