Wolff Extra Power Recoil Spring for S&W .45 ACP Pistols
Part Number: 47317
Premium Wolff 17 LB extra power recoil spring designed for Smith & Wesson .45 ACP pistols. This precision-engineered spring provides increased spring tension for reliable cycling with hot +P ammunition and compensated pistols. Includes extra power firing pin spring to ensure reliable primer strikes.
Compatible Models:
This recoil spring fits the following Smith & Wesson .45 ACP pistols:
- Model 645 - Full size .45 ACP
- Model 745 - Competition .45 ACP
- Model 4506 - Full size .45 ACP stainless
- Model 4526 - Full size .45 ACP with decocker
- Model 4546 - Full size .45 ACP DAO
Package Includes:
- 1 Extra Power Recoil Spring (17 LB) - Increased spring tension
- 1 Extra Power Firing Pin Spring - Ensures reliable primer ignition
Key Features:
- 17 LB Extra Power: Increased spring tension for hot loads and compensated pistols
- Includes Firing Pin Spring: Extra power firing pin spring maintains reliable ignition
- +P Ready: Designed for hot .45 ACP +P ammunition
- Compensator Compatible: Ideal for compensated pistols requiring heavier spring
- Premium Quality: Made in USA by Wolff GunspringMakers with over 75 years of expertise
- Reliable Cycling: Ensures consistent operation with high-pressure loads
- Direct Replacement: Drop-in fit for factory recoil spring
Technical Specifications:
- Spring Type: Recoil Spring (Extra Power)
- Spring Weight: 17 LB
- Compatible Caliber: .45 ACP
- Compatible Models: 645, 745, 4506, 4526, 4546
- Material: Premium spring steel
- Finish: Corrosion-resistant
- Manufacturer: Wolff GunspringMakers (USA)
- Condition: New
- Weight: 1 oz
- Package: 1 recoil spring + 1 firing pin spring
Installation:
Installation requires field stripping your S&W pistol to access the recoil spring assembly. Remove the slide, replace the old recoil spring with the new Wolff spring, and reassemble. The firing pin spring requires further disassembly of the slide. If you're not comfortable performing this installation, have a qualified gunsmith install the springs. Always function test with your carry ammunition after installation.
Why Choose Wolff Recoil 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 reliable performance with hot ammunition and compensated pistols. The included extra power firing pin spring ensures reliable ignition with all ammunition types.
Frequently Asked Questions:
Q: When should I use an extra power spring?
A: Use extra power springs when shooting hot +P ammunition, with compensated pistols, or if you experience cycling issues with standard springs.
Q: Why is a firing pin spring included?
A: The extra power firing pin spring ensures reliable primer strikes and is a common maintenance item that should be replaced with the recoil spring.
Q: Will this work with standard .45 ACP ammunition?
A: Yes, but it's specifically designed for hot loads and compensated pistols. For standard ammunition, consider the 15 LB standard 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 Extra Power Recoil Spring (17 LB) + 1 Extra Power Firing Pin Spring
Pro Tip: This extra power spring is ideal for shooters using hot +P ammunition or compensated pistols.