Wolff 15 LB Reduced Power Recoil Spring for Smith & Wesson Sigma 4" 9mm/.40 S&W | Part 53515

Wolff 15 LB Reduced Power Recoil Spring for Smith & Wesson Sigma 4" 9mm/.40 S&W

Part Number: 53515

Premium Wolff 15 LB reduced power recoil spring for Smith & Wesson Sigma 4-inch models in 9mm and .40 S&W. Provides smoother cycling and reduced felt recoil while maintaining reliable function. Includes an extra power firing pin spring.

⚠️ Requires Wolff guide rod or equivalent aftermarket guide rod for installation.

Compatible Models:

• Smith & Wesson Sigma SW9V — 9mm, 4"
• Smith & Wesson Sigma SW9VE — 9mm, 4"
• Smith & Wesson Sigma SW40V — .40 S&W, 4"
• Smith & Wesson Sigma SW40VE — .40 S&W, 4"

Not compatible with: SW9F, SW40F, or SW9M models.

Package Includes:

• 1 Reduced Power Recoil Spring (15 LB)
• 1 Extra Power Firing Pin Spring

Key Features:

• 15 LB Reduced Power: Smoother cycling and reduced felt recoil
• Includes Firing Pin Spring: Complete maintenance kit
• Competition Ready: Improved cycling with lighter loads
• Premium Quality: Made in USA by Wolff Gunspringmakers
• Condition: New

Technical Specifications:

• Spring Type: Recoil Spring with Firing Pin Spring
• Spring Weight: 15 LB (Reduced Power)
• Caliber: 9mm / .40 S&W
• Barrel Length: 4"
• Manufacturer: Wolff Gunspringmakers (USA)

Installation:

Requires Wolff guide rod or equivalent aftermarket guide rod. Installation involves field stripping the pistol to access the recoil spring assembly. If you are not comfortable performing this procedure, have a qualified gunsmith install the spring. Always function test after installation.