Smith & Wesson K Frame Model 15-3 Thumb Piece & Nut Blue .38 Special K155B 3954 357 Magnum Performance Center 8

357 Magnum Performance Center 8 Shot Firing Pin

64 K-Frame

Trigger replacement requires disassembly of the action

Please review the chart below to ensure a proper fit for your specific model

Mossberg Cartridge Stop - Models 500A/590/500C

Smith & Wesson K Frame Model 15-3 Thumb Piece & Nut Blue .38 Special K155B 3954 357 Magnum Performance Center 8OEM Smith & Wesson Thumb Piece & Nut for Model 15 3 Cylinder release thumb piece with nut for K Frame Model 15 3 Combat Masterpiece . 38 Special revolvers. Blue steel finish with old style design ensures reliable cylinder operation and proper fit. Specifications: Fits: K Frame Model 15 3 . 38 Special Material: Blue steel Condition: Used, fully functional Includes: Thumb piece and nut Style: Old style Part Number: K155B Genuine Smith & Wesson factory