Smith & Wesson K Frame Model 12 Airweight Hammer Assembly .240" Wide Spur, Used – Part# 12112C 4586tsw Early production revolvers like Serial#

Early production revolvers like Serial# 3312 predate the model number system by decades — if you're unsure whether this part fits your specific revolver

Rare Configuration: 1st Model 4-screw parts are increasingly difficult to source

As a rimfire barrel

22A-1 owners performing repairs or restoration

and NOS (New Old Stock) Smith & Wesson double-action revolver parts

Smith & Wesson K Frame Model 12 Airweight Hammer Assembly .240" Wide Spur, Used – Part# 12112C 4586tsw Early production revolvers like Serial#Smith & Wesson K Frame Model 12 Airweight Hammer Assembly Part Number: 12112C Condition: Used, Original OEM Spur Width: . 240" Wide Spur Frame Size: K Frame Caliber: . 38 Special Compatible Models This hammer assembly is compatible with the following Smith & Wesson K Frame Model 12 Airweight revolvers (all dash variants): Model 12 (original) Model 12 1 Model 12 2 Model 12 3 Note: The Model 12 is a centerfire . 38 Special revolver. This is a centerfire