Smith & Wesson J Frame Model 642 .310" Trigger Concealed Hammer MIM .38 Special +P — Used Part 64231B
$59.99
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Smith & Wesson J Frame Model 642 .310" Trigger Concealed Hammer MIM .38 Special +P — Used Part 64231B
$59.99
Smith & Wesson J Frame Model 642 .310" Trigger — Concealed Hammer, MIM — Used OEM Part
Genuine used Smith & Wesson factory trigger for the Model 642 Airweight J Frame revolver chambered in .38 Special +P. This MIM (Metal Injection Molded) new-style trigger features a .310" wide trigger face and is designed specifically for use with the concealed (shrouded) hammer configuration of the Model 642. Removed from a used firearm and in good working condition — a direct OEM replacement for a worn, damaged, or missing trigger.
Specifications
- Part Number: 64231B
- Manufacturer: Smith & Wesson
- Model: 642 (J Frame Airweight, Centennial)
- Part Type: Trigger
- Trigger Width: .310"
- Hammer Type: Concealed / Shrouded (Centennial)
- Construction: MIM (Metal Injection Molded), New Style
- Caliber: .38 Special +P
- Frame Size: J Frame
- Condition: Used — original factory part, good working condition
Model Compatibility Chart
| Model | Frame | Hammer Type | Compatibility |
|---|---|---|---|
| Model 642 (all dash variants) | J Frame Airweight | Concealed (Centennial) | ✓ Compatible — listed model |
| Model 640 (Centennial) | J Frame | Concealed (Centennial) | ⚠ Verify fit — same hammer type, non-Airweight |
| Model 442 (Airweight) | J Frame Airweight | Concealed (Centennial) | ⚠ Verify fit — blued variant, same platform |
| Model 637 (Airweight) | J Frame Airweight | Exposed | ✗ Not compatible — exposed hammer trigger |
| Model 638 (Bodyguard Airweight) | J Frame Airweight | Shrouded | ✗ Not compatible — shrouded hammer trigger |
| Model 36, 60 (Chief's Special) | J Frame | Exposed | ✗ Not compatible — exposed hammer, non-MIM |
| Models 34, 43, 63 (rimfire) | J Frame | — | ✗ Not compatible — rimfire models |
Important Notes
- This listing is for the trigger only. Trigger return spring, pin, and associated parts are sold separately. >li>This trigger is specific to the Model 642 with concealed hammer (Centennial-style). It is not interchangeable with exposed-hammer J Frame triggers (Models 36, 37, 60) or shrouded-hammer triggers (Model 638). >li>This is a MIM (Metal Injection Molded) new-style trigger. Earlier Model 642 production may have used non-MIM (machined) triggers that are not interchangeable with MIM components. >li>This is a used part in good working condition. May show minor wear consistent with normal use. >li>Trigger replacement requires disassembly of the action. Installation by a qualified gunsmith is strongly recommended.