Wolff Factory Standard Recoil Spring for S&W 3rd Gen .45 Pistols
Part Number: 47314
Premium Wolff factory standard recoil spring designed for Smith & Wesson 645, 745, and 4500 Series .45 ACP pistols. This 14 LB spring provides reliable factory-spec performance for duty, carry, and range use.
Key Features:
- Factory Standard Weight: 14 LB spring weight matches original factory specifications
- Complete Kit: Includes both recoil spring and firing pin spring
- Premium Quality: Made in USA by Wolff GunspringMakers with over 75 years of expertise
- Reliable Performance: Consistent cycling with standard .45 ACP ammunition
- 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 .45 ACP pistols:
- Model 645
- Model 745
- Model 4506
- Model 4526
- Model 4546
Technical Specifications:
- Spring Type: Recoil Spring with Firing Pin Spring
- Spring Weight: 14 LB (Factory Standard)
- Caliber: .45 ACP
- Material: Premium spring steel
- Finish: Corrosion-resistant
- Manufacturer: Wolff GunspringMakers (USA)
- Condition: New
- Weight: 2 oz
- Package: Includes recoil spring and firing pin spring
Spring Weight Selection Guide:
Wolff offers multiple spring weights for the 645/4506 series to accommodate different ammunition types:
- 24 LB: Extra power for +P loads and heavy bullets
- 22 LB: Extra power for standard and +P loads
- 20 LB: Extra power for lighter loads
- 14 LB (This Spring): Factory standard weight for all standard loads
- Lower weights: Reduced power for competition use
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 factory standard recoil springs are engineered to exacting tolerances, providing reliable performance for duty, carry, and range use. The S&W 3rd Generation .45 pistols are legendary duty firearms, and Wolff springs help maintain their performance.
Frequently Asked Questions:
Q: When should I use a factory standard spring versus extra power?
A: Use the 14 LB factory standard spring for standard .45 ACP ammunition and general use. Choose extra power springs (20-24 LB) for +P loads or maximum reliability.
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 include the firing pin spring?
A: Yes, this kit includes both the recoil spring and firing pin spring.
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 Factory Standard Recoil Spring (14 LB) and 1 Firing Pin Spring
Pro Tip: The 14 LB factory standard spring is ideal for general use with standard .45 ACP ammunition and provides reliable performance for most shooting applications.