This is a factory SIG Sauer recoil spring for the P229 chambered in .40 S&W or .357 SIG. Recoil springs weaken with use, and replacing them on schedule keeps the slide cycling reliably. It is a genuine SIG replacement part. Keep a spare on hand for high-round-count shooting.
- Fits: SIG Sauer P229, .40 S&W / .357 SIG
- Type: recoil spring
- Material: steel
- Color: black
- Manufacturer part: 1203721-R
