S&W K Frame Model 13 Hand .357 Magnum - 13V16 .38 M&P New style design with

New style design with

M&P40 Full Size (

44 Magnum          Used Part Old Style

this is specifically for 7-round magazines

This part has been discontinued by Smith & Wesson

S&W K Frame Model 13 Hand .357 Magnum - 13V16 .38 M&P New style design withSmith & Wesson K Frame Model 13 Hand The hand is a critical internal component in S&W double action revolvers it is the part that rotates the cylinder one position with each trigger pull or hammer cock, indexing the next chamber into alignment with the barrel. A worn or broken hand will cause cylinder timing issues, misfires, or failure to rotate. Replacing it is one of the most fundamental revolver action repairs. Part Number: 13V16 Fits: Smith &