Smith & Wesson Model 640 .357 Magnum Spurless Hammer - J343
$46.99
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Smith & Wesson Model 640 .357 Magnum Spurless Hammer - J343
$46.99
Smith & Wesson Model 640 Spurless Hammer
Used Smith & Wesson internal spurless hammer removed from a J Frame Model 640 Centennial revolver chambered in .357 Magnum. Its enclosed-hammer profile supports the Model 640's double-action-only, snag-resistant design.
Product Details
- Brand: Smith & Wesson
- Model: 640 Centennial
- Frame: J Frame
- Caliber: .357 Magnum
- Ignition: Centerfire
- Action: Double-action only
- Part type: Spurless hammer assembly
- Condition: Used / surplus
- Part number: J343
- Included: Hammer shown
Model Compatibility
| Model | Frame / Caliber | Confirmed Application | Fitment Checks |
|---|---|---|---|
| Smith & Wesson Model 640 Centennial | J Frame / .357 Magnum | Centerfire DAO spurless-hammer configuration; donor dash is not identified | Match hammer profile, firing-pin or hammer-nose system, sear surfaces, internal-lock configuration and production-era geometry |
Compatibility warning: Hammers are ignition-system- and revision-specific. This centerfire hammer is not compatible with rimfire J Frame revolvers. Model number and frame size alone do not guarantee fit, and compatibility with every Model 640 dash revision or other Centennial models is not claimed.
Installation
Hammer replacement affects sear engagement, ignition and safe operation. Installation, fitting and a complete function check must be performed by a qualified gunsmith. Used parts may show normal finish wear and handling marks; the photographed item represents the part and condition offered.