Smith & Wesson Model 4043 Mainspring & Plunger Spring - Used OEM Part
Genuine S&W mainspring and plunger spring (Part# 4043R) for Model 4043 .40 S&W DAO pistols. Critical springs for reliable trigger operation.
- Part Number: 4043R
- Model: Smith & Wesson 4043
- Caliber: .40 S&W
- Condition: Used OEM part in good working condition
Professional gunsmith installation recommended.