Smith & Wesson J Frame Model 442 Thumb Piece & Nut .38 Special Used - Part 442179 Fire Control Part Number: 19129

Part Number: 19129

Restore your Smith & Wesson Model 622 pistol to factory specifications with this authentic OEM hammer and main spring assembly

The thumb piece (cylinder release latch) is the lever on the left side of the frame that releases the cylinder for loading and unloading

Universal J Frame Fit: Compatible with all J Frame models (see extensive compatibility list below)

Includes: Slide Stop Lever Assembly

Smith & Wesson J Frame Model 442 Thumb Piece & Nut .38 Special Used - Part 442179 Fire Control Part Number: 19129Smith & Wesson J Frame Model 442 Thumb Piece & Nut . 38 Special Factory Smith & Wesson thumb piece and nut for the J Frame Model 442 revolver. This is the old style design a genuine OEM used replacement part in good working condition. The thumb piece (cylinder release latch) is the lever used to swing the cylinder out for loading and unloading. The nut secures it to the frame. Replacing a worn or damaged thumb piece restores smooth, reliable cylinder