Wolff Hammer Spring Pak for Smith & Wesson Pistols 16/17/18 LB 9mm/10mm/.40/.45 | Part 26581

Wolff Hammer Spring Pak for Smith & Wesson Pistols — 16/17/18 LB

Part Number: 26581

Wolff hammer spring pak with three spring weights (16, 17, and 18 LB) for tuning trigger pull in Smith & Wesson 1st, 2nd, and 3rd generation full-size and compact pistols in 9mm, 10mm, .40 S&W, and .45 ACP. Premium USA-made springs for customized performance.

What's Included:

• 16 LB hammer spring
• 17 LB hammer spring
• 18 LB hammer spring

Compatible Models:

• 9mm: 39, 439, 539, 639, 3904, 3906, 3913, 3914, 3944, 3946, 3953, 3954, 59, 459, 559, 659, 5903, 5904, 5906, 5923, 5924, 5926, 5943, 5944, 5946, 469, 669, 6904, 6906, 6924, 6926, 6944, 6946, 908, 909, 910, 915
• 10mm: 1006, 1026, 1066, 1076, 1086
• .40 S&W: 4003, 4004, 4006, 4026, 4043, 4044, 4046
• .45 ACP: 4506, 4526, 4536, 4546, 4566, 4567, 4576, 4586, 4596

Key Features:

• 3-Spring Pak: Three weights for precise trigger tuning — 16, 17, and 18 LB
• Wide Compatibility: Fits 1st, 2nd & 3rd Gen S&W full-size and compact pistols
• Premium Quality: Precision-manufactured by Wolff Gunspringmakers — Made in USA
• Ideal for Competition: Fine-tune your trigger pull for IDPA, USPSA, or custom trigger work
• Condition: New

Technical Specifications:

• Spring Type: Hammer Spring Pak (Long — Group A)
• Spring Weights: 16, 17, 18 LB
• Package: 3 springs per pak
• Compatible Calibers: 9mm / 10mm / .40 S&W / .45 ACP
• Manufacturer: Wolff Gunspringmakers (USA)

Installation:

Installation requires disassembly of your pistol. If you are not comfortable performing this procedure, have a qualified gunsmith install the spring. Always function test with your carry ammunition after installation.