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Smith & Wesson J Frame Model 640 Internal Parts Used .38 Special - JS139
$39.99
Smith & Wesson J Frame Model 640 Internal Parts — Used
Part Lot # JS139 | Used | J Frame | .38 Special | DAO Centennial
Used internal parts lot for the Smith & Wesson Model 640 J Frame Centennial revolver chambered in .38 Special. The Model 640 is a fully concealed-hammer double-action-only (DAO) revolver designed for concealed carry. This lot covers the core lockwork components. Gunsmith installation required.
This Listing Includes
- Mainspring
- Bolt
- Rebound Slide & Spring
- Cylinder Stop
- Bushing
- 1 Pin
Compatibility
- Frame: J Frame
- Model: 640 (DAO Centennial, .38 Special)
- Note: Most J Frame centerfire internal parts interchange across Models 36, 37, 38, 49, 60, 640, 642, 442 and related variants. The Model 640 is DAO — verify your specific dash number before ordering. Gunsmith installation required.
Specifications
- Caliber: .38 Special
- Action: DAO (Double Action Only)
- Condition: Used
- OEM: Factory Smith & Wesson parts
Note: Installation by a qualified gunsmith is required. Contact us for any S&W parts questions.