Wolff Extra Power Recoil Spring for S&W 3rd Gen 9mm Pistols
Part Number: 47420
Premium Wolff extra power recoil spring designed for Smith & Wesson 3900 and 5900 Series 9mm pistols. This 20 LB spring provides enhanced reliability and consistent cycling for these classic 3rd Generation semi-automatic pistols.
Key Features:
- Extra Power Design: 20 LB spring weight for reliable cycling with all ammunition types
- Complete Kit: Includes both recoil spring and firing pin spring
- Wide Compatibility: Fits multiple models in the 39/59 series
- Premium Quality: Made in USA by Wolff GunspringMakers with over 75 years of expertise
- Enhanced Reliability: Improved feeding and ejection performance
- Direct Replacement: Drop-in fit for specified models
- Corrosion Resistant: High-quality spring steel construction
Compatible Models:
This recoil spring fits the following Smith & Wesson 3rd Generation 9mm pistols:
39 Series:
- Model 39
- Model 439
- Model 539
- Model 639
- Model 3904
- Model 3906
- Model 3944
- Model 3946
59 Series:
- Model 59
- Model 459
- Model 559
- Model 659
- Model 5903
- Model 5904
- Model 5906
- Model 5923
- Model 5924
- Model 5926
- Model 5943
- Model 5944
- Model 5946
Technical Specifications:
- Spring Type: Recoil Spring with Firing Pin Spring
- Spring Weight: 20 LB (Extra Power)
- Caliber: 9mm
- Material: Premium spring steel
- Finish: Corrosion-resistant
- Manufacturer: Wolff GunspringMakers (USA)
- Condition: New
- Weight: 2 oz
- Package: Includes recoil spring and firing pin spring
Installation:
Installation requires field stripping of your S&W 3rd Gen pistol. If you're not comfortable performing this installation, have a qualified gunsmith install the spring. Always function test after installation to ensure reliable operation with your chosen ammunition.
Why Choose Wolff Springs?
Since 1948, Wolff has been America's premier manufacturer of precision firearm springs. Their extra power recoil springs are engineered to exacting tolerances, providing enhanced reliability for duty, carry, and range use. The S&W 3rd Generation 9mm pistols are legendary duty and carry firearms, and Wolff springs help maintain their performance.
Frequently Asked Questions:
Q: Will this work with +P ammunition?
A: Yes, the 20 LB extra power spring works excellently with both standard and +P 9mm ammunition.
Q: How often should I replace my recoil spring?
A: For duty/carry use, replace springs annually or every 5,000 rounds. For range use, replace every 10,000 rounds or when you notice decreased reliability.
Q: Does this fit both compact and full-size models?
A: Yes, this spring fits both the compact 3900 series and full-size 5900 series pistols listed in the compatibility section.
Warranty & Returns:
Wolff springs are backed by the manufacturer's quality guarantee against defects in materials and workmanship. All products are eligible for return within our standard return policy period if unused and in original condition.
Package Contents: 1 Wolff Extra Power Recoil Spring (20 LB) and 1 Firing Pin Spring
Pro Tip: This is one of the most popular Wolff springs for S&W 3rd Gen 9mm pistols, offering excellent reliability across a wide range of models.