Wolff Hammer Spring Pack for S&W 469, 669, 6904, 6906, 6924, 6926, 6944, 6946, 3913, 3914, 3953, 3954, 4516, 4516-1, 4556, 457, 4013, 4014, 4053, 4054 with Short Hammer Spring Reduced Power

Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts. Some parts may require installation by a qualified gunsmith.