Smith & Wesson K Frame Model 10-7 Hammer Assembly - .375" Wide Spur - .38 Special - Case Colored - 10112 Model 640 Each variant may have slightly

Each variant may have slightly different internal parts

Early "No-Dash" Models: Any N-frame made after 1961 that transitioned to left-hand threads

Perfect Fit: Engineered specifically for N Frame round butt revolvers

Compatibility: N Frame Model 625 revolvers (all non-pinned frames)

Smith & Wesson K Frame Model 10-7 Hammer Assembly - .375" Wide Spur - .38 Special - Case Colored - 10112 Model 640 Each variant may have slightlySmith & Wesson K Frame Model 10 7 Hammer Assembly Factory OEM Part Part Number: 10112 Factory original old style hammer assembly for the Smith & Wesson K Frame Model 10 7 revolver chambered in . 38 Special. This complete hammer assembly features a wider . 375" spur and attractive case colored finish, characteristic of vintage S&W revolvers. Specifications: Model: K Frame Model 10 7 Caliber: . 38 Special Hammer Spur Width: . 375" (wider than standard .