Description
Wolff S&W, STD HAMMER SPRING (LONG) 20LB Pak of 1
Hammer Springs
Smith & Wesson pistols use 2 different hammer springs (Long – Group A & Short – Group B) for most centerfire semi-automatic pistols. Both springs have a factory rating of about 20 pounds. Hammer Spring Paks listed below individual hammer springs.
GROUP A Pistols – Long
For Use in:
39*, 439, 539, 639, 3904, 3906, 3944, 3946, 9mm
59*, 459, 559, 659, 5903, 5904 and 5906, 9mm
5923, 5924, 5926, 5943, 5944, 5946, 5967, 9mm
909, 910, 915, 9mm
645, 745, 4506, 4526, 4536**, 4546, .45 ACP
4566, 4567, 4576, 4586, 4596, .45 ACP
1006, 1026, 1066**, 1076, 1086, 10mm
410, 411, .40 S&W
4003,4004, 4006,4026,4043,4044,4046***, .40 S&W
*Early 39/ 59 pistols had a 22 Lb. factory spring.
** Some pistols may have short hammer springs
***Some 4046’s have a 16 Lb. factory hammer spring.
- Reduced Power…: 16, 17 & 18 Lb.
- Factory Standard.: 20 Lb.
- Extra Power……..: 22 & 23 Lb.
