Wolff Extra Power Variable Recoil Spring for S&W 3rd Gen .45 Pistols
Part Number: 47324
Premium Wolff extra power variable recoil spring designed for Smith & Wesson 645 and 4500 Series .45 ACP pistols. This 24 LB spring provides maximum reliability for heavy loads and ensures consistent cycling with all ammunition types.
Key Features:
- Extra Power Design: 24 LB spring weight for reliable cycling with +P and heavy loads
- Variable Spring: Precision-wound for consistent performance throughout its service life
- Complete Kit: Includes both recoil spring and firing pin spring
- 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 .45 ACP pistols:
- Model 645
- Model 745
- Model 4506
- Model 4526
- Model 4546
Technical Specifications:
- Spring Type: Variable Recoil Spring with Firing Pin Spring
- Spring Weight: 24 LB (Extra Power)
- 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 (This Spring): Extra power for +P loads, heavy bullets, or maximum reliability
- 22 LB: Extra power for standard loads
- 20 LB: Extra power for lighter loads
- 15 LB: Factory standard weight
- 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 variable recoil springs are engineered to exacting tolerances, providing enhanced reliability 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 24 LB spring versus a lighter weight?
A: Use the 24 LB spring for +P ammunition, heavy bullets (230 grain and above), or if you want maximum reliability in adverse conditions.
Q: Will this work with standard .45 ACP ammunition?
A: Yes, the 24 LB spring works with all .45 ACP loads, though it's optimized for heavier/hotter 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.
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 Variable Recoil Spring (24 LB) and 1 Firing Pin Spring
Pro Tip: Many shooters keep multiple spring weights on hand to optimize performance with different ammunition types.