Smith & Wesson K Frame Model 12 Hand .38 Special - Part# 12129 038180000 Engineered to exact OEM specifications

Engineered to exact OEM specifications and tolerances

Smith & Wesson J Frame Model 642-2 Airweight Trigger

40 S&W 14 rd ✓ Yes M&P 40 Full Size 2

Aftermarket parts may compromise safety and performance

Smith & Wesson K Frame Model 12 Hand .38 Special - Part# 12129 038180000 Engineered to exact OEM specificationsSmith & Wesson K Frame Model 12 Hand Old Style This genuine Smith & Wesson hand (also known as the pawl or cylinder hand) is a direct fit used replacement for the K Frame Model 12 Airweight revolver chambered in . 38 Special. The hand is a critical timing component that rotates the cylinder with each trigger pull keeping your revolver cycling reliably. Part Number: 12129 Fits: Smith & Wesson K Frame Model 12 Airweight Caliber: . 38 Special Style: Old