Smith & Wesson Model 42 Airweight J Frame .38 Special Safety Lever Used - JB42A
Smith & Wesson Model 42 Airweight J Frame .38 Special Safety Lever — Used
Part # JB42A | Used | Model 42 Specific
Used safety lever for the Smith & Wesson Model 42 Airweight J Frame revolver chambered in .38 Special. The Model 42 is a double-action-only (DAO) Centennial revolver with a shrouded hammer. The safety lever is part of the Centennial's internal hammer block safety mechanism, specific to the concealed-hammer DAO design. Gunsmith installation recommended.
Important: The Model 42 safety lever is not interchangeable with safety levers from standard DA/SA J Frame models (36, 37, 38, 60, etc.). The Centennial DAO design uses a different internal safety geometry. Verify your exact model before ordering.
Compatibility:
- Frame: J Frame
- Model: 42 (Airweight Centennial — aluminum frame, DAO, shrouded hammer)
- Caliber: .38 Special
Specifications:
- Component: Safety lever (internal hammer block)
- Condition: Used
- OEM: Factory Smith & Wesson part
Note: Disassembly and installation by a qualified gunsmith is recommended. Some fitting may be required.