From Grayguns, a Master Spring Set for Sig Sauer P-Series handguns. The P-MSS kit is an action upgrade package designed to reduce trigger pull weight while still providing reliable primer strikes. This set includes two mainsprings, one 17 lb. and one 19 lb., and a competition sear spring.

Fits the modern P-Series handguns with a DA/SA system, P220, P224, P225A1, P226, P227, P228, P229 and P-226 X-Five Allround.

Factory Black Short Trigger for the Sig P226, P224, P227, P228 and P229 and recent production P220's. A Short Trigger for the P220 SAO is not available. 10mm wide. The SIG SAUER® Short Trigger is for shooters with small hands and was designed to enhance trigger manipulation for better shooting performance. Phosphate.

Sig Sauer factory made external extractor for new style P220, P226, P227, P229, P239 and P224 with the long external extractor.

Sig Sauer factory Firing Pin Retaining Pin for P220, P226, P229, P229. P224 and P239 stainless steel slide models. This is the spiral or coiled pin found on newer model pistols with the long extractor. For slides with LONG extractors only.

Sig Sauer factory Hammer for P220, P225, P226, P228, P229 and P245 models, black super finish.

Sig Sauer factory Hammer for P220, P226, P229 and P239 DAK models, dark finish. The hammer strut pin is integrated into the hammer.

Sig Sauer factory Hammer Strut for P220, P226, and P229 DAK models.

Sig Sauer factory old style metal mainspring seat for the P220, P225, P226, P228, and P229.

Factory Phosphate Short Trigger for the Sig P226, P224, P227, P228 and P229 and recent production P220's. 10mm Wide.

Sig Sauer factory Safety Lock for P225, P226 and P228 models with carbon steel slides.

Sig Sauer factory Sear Spring Seat Pin for P Series pistols.

Sig Sauer factory SRT Sear for P220, P226, P229 and P239 DA/SA models. Short Reset Trigger Sear.

Sig Sauer factory Take Down Lever for P227, P220, P225, P226, P228, P229, P239 and P245 models. Part number changed from 34229065.