This is a factory Sig Sauer mainspring for blued, stainless and two-tone pistols, listed for the P229. The mainspring powers the hammer, and a tired spring can cause light strikes. Replace it to restore reliable ignition. Compare it with your existing part or the manufacturer's parts diagram to confirm it matches your firearm before ordering.
- Part: Mainspring (hammer spring)
- For: Blue, stainless and two-tone pistols
- Listed fit: Sig Sauer P229
- Brand: Sig Sauer
- UPC: 798681475063
