Smith & Wesson K Frame Model 15-3 Side Plate Blue .38 Special K151B 6557 or SW9M models

or SW9M models

In this case we can possibly still find the part you need with the serial number

Part Number: 414030000

45 ACP Service Pak Type-1

Smith & Wesson K Frame Model 15-3 Side Plate Blue .38 Special K151B 6557 or SW9M modelsOEM Smith & Wesson Side Plate Assembly for Model 15 3 Complete side plate for K Frame Model 15 3 Combat Masterpiece . 38 Special revolvers. Blue steel finish with old style design ensures proper fit and function. Specifications: Fits: K Frame Model 15 3 . 38 Special Material: Blue steel Condition: Used, fully functional Includes: Side plate Style: Old style Part Number: K151B Genuine Smith & Wesson factory replacement part. Professional installation