Smith & Wesson K Frame Model K22 4-Screw Hand Old Style .22 LR — Used OEM Part 17112C Concealed Hammer Must have rounded corners on

Must have rounded corners on butt of frame

Genuine OEM Part: Factory Smith & Wesson part #390900000

Smith & Wesson J Frame Model 442 Performance Center Bolt Spring & Plunger | Used

Part Number: 414030000

Smith & Wesson K Frame Model K22 4-Screw Hand Old Style .22 LR — Used OEM Part 17112C Concealed Hammer Must have rounded corners onSmith & Wesson K Frame Model K22 4 Screw Hand Old Style . 22 LR Used OEM Part Genuine Smith & Wesson OEM hand for the K Frame Model K22 (4 Screw) revolver chambered in . 22 LR rimfire. The K22 is a pre model designation S&W began stamping model numbers inside the frame in 195758, so the K22 predates the numbered Model 17. The 4 screw variant refers to the four sideplate screws used on earlier production revolvers before S&W transitioned to the 3 screw