Manufacturer: Charter Arms
check behind the yoke on the frame for a model number
Proper fitting and adjustment needed for safe operation
The rebound slide is an internal fire control component that requires complete disassembly of the revolver
This complete kit includes both the recoil spring and firing pin spring for optimal performance
Wolff Reduced Power Recoil Spring 8LB for S&W 3904/5904 Series 9mm 47408 Cylinder Stop Screw Manufacturer: Charter ArmsWolff Reduced Power Recoil Spring 8LB Premium reduced power recoil spring designed specifically for Smith & Wesson 3rd Generation 9mm pistols. This 8 pound spring provides smoother cycling and reduced felt recoil while maintaining reliable function. Compatible Models: Smith & Wesson Model 39, 439, 539, 639 Smith & Wesson Model 3904, 3906, 3944, 3946 Smith & Wesson Model 59, 459, 559, 659 Smith & Wesson Model 5903, 5904, 5906 Smith & Wesson Model 5923,