Wolff Hammer Spring for the Sig Sauer P220 Serial #219166 and below.

• Also fits Browning BDA
• Factory Standard: 22LB
• Reduced Power: 18LB, 19LB, & 20LB

Sig Sauer factory mainspring seat for small (E2) grip. Fits P220 (*not compact version), P226, P229 & P225-A1.

Sig Sauer factory Mainspring (Hammer Spring) for all caliber P220, P226, and P229 DAK models.

P220 above Serial # 219166

• Models without plastic retainer/base
• Factory Standard 24 LB

Sig P225, P226, P228 and P229

• Factory Standard 24 LB

Sig Sauer factory Mainspring (Hammer Spring) for all caliber P239 DAK models and P220 (old style) DA/SA.

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.

Sig Sauer factory Mainspring (Hammer Spring) for all caliber P227, P220, P226, P228, P229 (new style) and P245 DA/SA models.

Sig Sauer factory mainspring seat, new style. For use with short mainspring #34280454. Fits P220, P226, P228 and P229.

Wolff Hammer Spring for the Sig P220/P227/P226/P229 that use the black plastic mainspring seat. (Short Spring)

• Later Model Design
• Factory Standard 21LB
• Reduced Power 17LB, 18LB, & 19LB