Smith & Wesson Firing Pin Spring - Factory New OEM Part
Genuine Smith & Wesson factory new firing pin spring (Part #106370000) for multiple 9mm and .40 S&W pistol models. Essential component for reliable ignition.
Compatible Models:
- 9mm Models: 3904, 3913, 3914, 3914DAO, 3944, 3953, 3953TSW, 3954, 5903TSW, 5906TSW, 5943TSW, 5946TSW, CS9C, CS9D, CS9S
- .40 S&W Models: 4003, 4003TSW, 4004, 4006TSW, 4013TSW, 4043TSW, 4053TSW, 410
Product Features:
- Factory new condition - authentic S&W OEM part
- Precision-manufactured spring steel
- Critical component for firing pin operation
- Ensures positive firing pin return
- Prevents slam fires and light strikes
- Direct replacement for worn or weakened springs
Installation Notes:
The firing pin spring is a critical safety component. Professional gunsmith installation strongly recommended to ensure proper function and safe operation.
Maintain reliable ignition in your Smith & Wesson pistol with this genuine factory replacement spring.