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