Wolff Extra Power Hammer Spring 8 lb. - Smith & Wesson New J Frame - 323558

Wolff Extra Power Hammer Spring for Smith & Wesson New J Frame Revolvers

Part Number: 323558

This 8 lb Wolff extra power hammer spring is a precision-engineered upgrade for your Smith & Wesson New J Frame revolver. It delivers more consistent ignition and a positive strike on every pull, especially useful for reliable primer ignition with harder-primed or self-defense ammunition.

Key Features:

• Extra Power Design: 8 lb rating for more positive hammer strike and ignition reliability
• Smoother Action: Reduces trigger stack and improves double-action pull consistency
• Premium Quality: Made in USA by Wolff Gunsprings, trusted since 1948
• Direct Replacement: Drop-in fit for the factory hammer spring
• Corrosion Resistant: High-grade spring steel construction

Compatible Models:

Fits Smith & Wesson New Model J Frame revolvers, including:

• Model 36, 37, 38, 40, 42, 49, 60
• Model 317, 331, 337, 340, 342, 351, 360
• Model 442, 638, 640, 642, 649

Technical Specifications:

• Spring Type: Hammer Spring
• Power Rating: 8 lb (Extra Power)
• Frame Size: J Frame
• Manufacturer: Wolff Gunsprings (USA)
• Condition: New

Installation:

Installation requires partial disassembly of your J Frame revolver to access the hammer spring. If you're not comfortable performing this installation, have a qualified gunsmith install the spring. Always function test after installation to confirm reliable ignition.

Why Choose Wolff Springs?

Since 1948, Wolff has been America's premier manufacturer of precision firearm springs. Their extra power hammer springs are engineered to exacting tolerances, helping your J Frame revolver maintain reliable ignition for carry and range use.

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 Hammer Spring (8 lb)