Smith & Wesson K Frame Model 15-3 Cylinder & Yoke Nickel .38 Special K1510B M2.0 The 4-screw configuration refers to

The 4-screw configuration refers to the number of screws securing the side plate - earlier models used four screws while later models transitioned to three

rebound spring

Part# 642I |

Part Number: 23422

Smith & Wesson K Frame Model 15-3 Cylinder & Yoke Nickel .38 Special K1510B M2.0 The 4-screw configuration refers toOEM Smith & Wesson Cylinder & Yoke Assembly for Model 15 3 Complete cylinder and yoke assembly for K Frame Model 15 3 Combat Masterpiece . 38 Special revolvers. Nickel finish with old style design ensures reliable rotation and proper timing. Specifications: Fits: K Frame Model 15 3 . 38 Special Finish: Nickel Condition: Used, fully functional Includes: Cylinder and yoke assembly Style: Old style Part Number: K1510B Genuine Smith & Wesson factory