Wolff 15 LB Reduced Power Rebound Spring for Smith & Wesson J/K/L/N Frame Revolvers | Part 16664

Wolff 15 LB Reduced Power Rebound Spring for Smith & Wesson J/K/L/N Frame Revolvers

Part Number: 16664

Premium Wolff 15 LB reduced power rebound spring for Smith & Wesson J, K, L, and N Frame revolvers. Reduces trigger pull weight for improved accuracy and smoother double-action shooting while maintaining excellent reliability for carry and range use.

Compatible Frame Sizes:

J-Frame: 31, 32, 34, 36, 37, 38, 42, 49, 60, 63, 442, 631, 632, 637, 638, 640, 642, 649, 940

K-Frame: 10, 12, 13, 14, 15, 16, 17, 18, 19, 64, 65, 66, 67, 617, 648

L-Frame: 581, 586, 681, 686, 696

N-Frame: 24, 25, 27, 28, 29, 57, 610, 624, 625, 627, 629, 657

Spring Weight Selection Guide:

• 16 LB: Lightest reduction, maximum reliability
• 15 LB (This Spring): Noticeable reduction, excellent balance for most uses
• 14 LB: More reduction, good for competition
• 12–13 LB: Maximum reduction, requires thorough testing for reliability

Key Features:

• 15 LB Reduced Power: Noticeable trigger pull reduction with excellent reliability
• Multi-Frame: Fits J, K, L, and N Frame revolvers
• Direct Replacement: Drop-in fit for factory rebound spring
• Premium Quality: Made in USA by Wolff Gunspringmakers — over 75 years of expertise
• Condition: New

Technical Specifications:

• Spring Type: Rebound Spring
• Spring Weight: 15 LB (Reduced Power)
• Frame Sizes: J, K, L, N Frame
• Manufacturer: Wolff Gunspringmakers (USA)

Installation:

Installation requires partial disassembly of your revolver to access the rebound spring. If you are not comfortable performing this procedure, have a qualified gunsmith install the spring. Always function test after installation.