6681A Smith & Wesson K Frame Model 66 Cylinder Stop & Spring Used .357 Magnum Hammer Nose Rivet Compatibility Note

Compatibility Note

Inconsistent ignition or failures to fire

Essential for safe cylinder swing-out and lockup

Factory original hammer for the Smith & Wesson K Frame Model 10 revolver chambered in

6681A Smith & Wesson K Frame Model 66 Cylinder Stop & Spring Used .357 Magnum Hammer Nose Rivet Compatibility Note6681A Smith & Wesson K Frame Model 66 Cylinder Stop & Spring Used . 357 Magnum Old Style We sell Smith and Wesson Pistol and Revolver Used, New Old stock, Refurbished & New parts. Shoot us an email or give us a call for all your S&W gun part needs. USA Guns And Gear Gunsmiths Required: Disassembly and Assembly required to replace part. Some parts may require installation and fitting by a qualified gun smith. Factory replacement parts are manufactured