Sig Sauer Firing Pin Spring, P220/4/6/9/239/2022 $15.00 Firing pin spring, P220, P224, P226, P229, P239, 2022. Sig Part: Spring-1 Out of stock Category: Sig Sauer Related products Sig Sauer P220 – 29 Reduced Power Hammer Spring Pak, for plastic spring base $24.97 Sig Sauer P220 / P226 Variable Recoil Spring 20lb. $14.97