Wolff Hammer Spring for S&W J-Frame Revolvers
Part Number: 3235585
Premium Wolff 8.5 LB hammer spring designed for Smith & Wesson J-Frame revolvers. This reduced power hammer spring provides an excellent balance between lighter trigger pull and reliable ignition, making it ideal for concealed carry, competition, and range use.
Compatible Models:
This hammer spring fits Smith & Wesson J-Frame revolvers, including:
Classic J-Frame Models: 36, 37, 38, 40, 42, 49, 60, 63, 442, 637, 638, 640, 642, 649
Airweight/Scandium Models: 317, 331, 332, 337, 340, 342, 351, 360
Performance Center Models: Various J-Frame PC models
Key Features:
- 8.5 LB Weight: Moderate reduction for excellent balance between light trigger pull and reliability
- J-Frame Specific: Designed specifically for small-frame S&W revolvers
- Premium Quality: Made in USA by Wolff GunspringMakers with over 75 years of expertise
- Carry Optimized: Popular choice for concealed carry revolvers
- Direct Replacement: Drop-in fit for factory hammer spring
- Corrosion Resistant: High-quality spring steel construction
Technical Specifications:
- Spring Type: Hammer Spring (Mainspring)
- Spring Weight: 8.5 LB
- Frame Size: J-Frame
- Material: Premium spring steel
- Finish: Corrosion-resistant
- Manufacturer: Wolff GunspringMakers (USA)
- Condition: New
- Weight: 1 oz
Installation:
Installation requires partial disassembly of your S&W J-Frame revolver to access the hammer spring (mainspring). If you're not comfortable performing this installation, have a qualified gunsmith install the spring. Always function test after installation to ensure reliable ignition with your chosen ammunition.
Spring Weight Selection Guide:
The 8.5 LB spring provides an excellent balance for most shooters:
- 9 LB: Lightest reduction, most reliable ignition - recommended starting point
- 8.5 LB (This Spring): Moderate reduction, excellent balance for most shooters
- 8 LB: Maximum reduction, requires testing for reliability with all ammunition
Why Choose Wolff Springs?
Since 1948, Wolff has been America's premier manufacturer of precision firearm springs. Their J-Frame hammer springs are specifically engineered for small-frame S&W revolvers, providing smooth, reliable performance for concealed carry, competition, and range use.
Frequently Asked Questions:
Q: Will this spring cause misfires?
A: The 8.5 LB spring maintains reliable ignition with most ammunition. Always test with your carry ammunition to ensure 100% reliability, especially with hard primers.
Q: Which spring weight should I use for carry?
A: The 8.5 LB spring is an excellent choice for carry, offering improved trigger pull while maintaining good reliability. Test thoroughly with your carry ammunition.
Q: Can I use this with +P ammunition?
A: Yes, but always test for reliable ignition. Some +P loads may have harder primers.
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 Hammer Spring (8.5 LB)
Pro Tip: The 8.5 LB spring is the most popular choice for J-Frame carry guns, providing the best balance of trigger improvement and reliability.