Smith & Wesson K Frame Hammer Assembly - Model 18 - .370" Spur - Used - .22 LR Rimfire K112A 539 Replace worn or weakened main

Replace worn or weakened main springs to restore proper hammer energy and prevent light primer strikes

Ready to Mount: Pre-drilled holes for easy installation

To identify your Smith & Wesson model number

-trigger hand

When you pull the trigger

Smith & Wesson K Frame Hammer Assembly - Model 18 - .370" Spur - Used - .22 LR Rimfire K112A 539 Replace worn or weakened mainFactory OEM Smith & Wesson K Frame Rimfire Hammer Assembly Part Number: K112A Compatibility: K Frame Model 18 Caliber: . 22 LR (Rimfire) Spur Width: . 370" (Standard Spur) Condition: Used Frame Size: K Frame This is an authentic Smith & Wesson factory hammer assembly designed specifically for K Frame Model 18 rimfire revolvers. The hammer is a critical fire control component that strikes the firing pin to ignite the primer. This hammer features a .