Wolff Hammer Spring Kit for Smith & Wesson J-Frame Revolvers - 8/8.5/9 LB | Part 32355

Wolff Hammer Spring Kit for Smith & Wesson J-Frame Revolvers

Part Number: 32355

Premium Wolff hammer spring kit designed for Smith & Wesson J-Frame revolvers. This 3-spring kit allows you to fine-tune your revolver's hammer spring weight for improved trigger pull and reliable ignition — perfect for carry, competition, or range use.

What's Included:

• 8 LB hammer spring
• 8.5 LB hammer spring
• 9 LB hammer spring

Compatible Models:

Classic J-Frame: 36, 37, 38, 40, 42, 49, 60, 63, 442, 637, 638, 640, 642, 649

Airweight / Scandium: 317, 331, 332, 337, 340, 342, 351, 360, 442, 637, 638, 640, 642

Performance Center: Various J-Frame PC models

Spring Selection Guide:

• 9 LB: Lightest reduction, most reliable ignition — recommended starting point
• 8.5 LB: Moderate reduction, excellent balance for most shooters
• 8 LB: Maximum reduction, requires thorough testing for reliability with all ammunition

Key Features:

• 3-Spring Kit: Multiple weights for precise hammer tuning
• Reduced Power Options: Lighter hammer fall for improved trigger pull
• J-Frame Specific: Designed specifically for small-frame S&W revolvers
• Premium Quality: Made in USA by Wolff Gunspringmakers — over 75 years of expertise
• Condition: New

Technical Specifications:

• Spring Type: Hammer Spring / Mainspring Kit
• Spring Weights: 8, 8.5, 9 LB
• Frame Size: J-Frame
• Material: Premium spring steel
• Manufacturer: Wolff Gunspringmakers (USA)
• Package: 3 springs per kit

Installation:

Installation requires partial disassembly of your J-Frame to access the hammer spring (mainspring). If you are not comfortable performing this procedure, have a qualified gunsmith install the springs. Always function test after installation to ensure reliable ignition with your chosen ammunition.