Wolff Hammer Spring Pack for Sig Sauer P225, P226, P228, P229 and P220 Above SN 219166 Reduced Power

Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts. Some parts may require installation by a qualified gunsmith. This pack contains 1 each of 16, 17, 18 and 19 pound reduced power hammer springs above, allowing adjustment of the firearm to individual requirements. Note: Recently Sig has started using a plastic hammer spring base/retainer with a short hammer. spring. This is being phased in across all models. If your pistol has the plastic base/retainer for the hammer spring you will need to select an option from product family # 3415118865.