Smith & Wesson J Frame Model 442 Thumb Piece & Nut .38 Special Used - Part 442179 .312" Trigger Assembly Designed specifically for K Frame

Designed specifically for K Frame

different caliber J / K / L Frame Various Smaller frames — ❌ Different frame size Note: The S&W internal safety lock was introduced on most models around 2001

This comprehensive 4-spring kit includes a Type-2 reduced power mainspring and three rebound springs

swing out the cylinder and check behind the yoke on the frame for the model designation

Smith & Wesson J Frame Model 442 Thumb Piece & Nut .38 Special Used - Part 442179 .312" Trigger Assembly Designed specifically for K FrameSmith & 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