Wolff Service Pak Type-1 - S&W 3904/5904 Series 9mm
Wolff Service Pak Type-1 (Part #69391) complete spring replacement kit with 12 premium springs for comprehensive restoration of Smith & Wesson 9mm pistols. Everything you need for a complete spring refresh.
Compatible Models:
- Model 39 Series: 39, 439, 539, 639
- Model 59 Series: 59, 459, 559, 659, 5903, 5904, 5906, 5923, 5924, 5926, 5943, 5944, 5946
- 3900 Series: 3904, 3906, 3913, 3914, 3944, 3946, 3953, 3954
- 900 Series: 908, 909, 910, 915
Kit Includes 12 Springs:
- Recoil spring with firing pin spring
- Hammer spring
- Trigger return spring
- Sear spring
- Magazine catch spring
- Extractor spring
- Firing pin spring (extra)
- And more essential springs
Product Features:
- Complete 12-spring restoration kit
- Premium music wire construction
- Precision-manufactured to exact specifications
- Made in USA by Wolff Gunspringmakers
- Comprehensive solution for worn springs
- Restores factory-fresh performance
Why Choose This Kit:
This complete service pak provides all the springs needed to restore your Smith & Wesson pistol to like-new condition. Perfect for high-round-count pistols or complete restorations. Professional gunsmith installation recommended.