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 Safety Lock Spring, P220/4/6/7/9/239/2022 $15.00 Sig Sauer Mainspring Seat, P220/6/9 $12.50