Sig Sauer Sear Spring, P220/4/6/7/8/9/239 $15.00 Sear spring, P220, P224, P226, P227, P228, P229, P239. Sig Part: Spring-7 Out of stock Category: Sig Sauer Related products Sig Sauer P220 – 29 Hammer Spring 19lb., for plastic spring base $9.97 Sig Sauer Mag Catch Spring, P224/6/7/9/239 $10.00