Smith & Wesson K Frame Model 13 Thumb Piece & Nut - Used - K875 J frame New-style non-recessed design precision-manufactured to

New-style non-recessed design precision-manufactured to factory specifications

Genuine Smith & Wesson factory part

Some fitting may be required for optimal performance

A factory Smith & Wesson replacement barrel for the J Frame Model 63 revolver

scratch-free finish that separates amateur work from professional results

Smith & Wesson K Frame Model 13 Thumb Piece & Nut - Used - K875 J frame New-style non-recessed design precision-manufactured toK875 Smith & Wesson Used K Frame Model 13 Thumb Piece & Nut Cleaned, Inspected, and Guaranteed How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame for a MODEL NUMBER. Model numbers began in 1957 58. So if there is no model number then your revolver may be older than 1957 58. In this case we can possibly still find the part you need with the serial # . If this is the case