Sig Sauer Mainspring - P227/P220/226/228/229/245 DA/SA New Style
Sig Sauer factory Mainspring (Hammer Spring) for all caliber P227, P220, P226, P228, P229 (new style) and P245 DA/SA models.
Nov 5, 2017
I have 2 former Police 226’s in 9mm. One was my old duty carry. I started having light primer strikes in one of them. Replaced the first spring and the difference was noticeably better just from the sound of dry firing. Live fire it hasn’t missed a beat since.