Smith & Wesson K Frame Model 12 Hammer .240" Wide Spur .38 Special Case Hardened Old Style - Part# K122 All Models N Frame All Models (will

N  Frame   All Models (will not fit J frame) THUMB PIECE & NUT ( Cylinder Latch) Used Part Old Style

Internal parts replacement requires full disassembly of the action

Frame Type: L Frame

The gun lock screw secures the internal lock mechanism that allows the revolver to be locked with a key for safety

firing pin

Smith & Wesson K Frame Model 12 Hammer .240" Wide Spur .38 Special Case Hardened Old Style - Part# K122 All Models N Frame All Models (willSmith & Wesson K Frame Model 12 Hammer . 240" Wide Spur, . 38 Special Part# K122 Case Hardened Old Style Used OEM Factory Part Part Details Manufacturer: Smith & Wesson (OEM Factory Part) Frame: K Frame Compatible Model: Model 12 Airweight Caliber: . 38 Special Spur Width: . 240" Wide Spur Finish: Case Hardened Style: Old Style Condition: Used Compatibility This hammer is designed specifically for the Smith & Wesson K Frame Model 12 Airweight revolver