Smith & Wesson Model 4043 Firing Pin Spring - Used OEM Part
Genuine S&W firing pin spring (Part# 4043X) for Model 4043 .40 S&W DAO pistols. Ensures reliable firing pin operation.
- Part Number: 4043X
- Model: Smith & Wesson 4043
- Caliber: .40 S&W
- Condition: Used OEM part in good working condition
Professional gunsmith installation recommended.