Smith & Wesson L Frame Model 586 Mainspring Used OEM Part 586141 .357 Magnum
$6.99
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Smith & Wesson L Frame Model 586 Mainspring Used OEM Part 586141 .357 Magnum
$6.99
This listing is for the Smith & Wesson L Frame Model 586 Mainspring (Used OEM Part 586141) only.
Used factory original Smith & Wesson mainspring (hammer spring) for the L Frame Model 586 revolver chambered in .357 Magnum. The mainspring provides the striking force for hammer operation — a weak, fatigued, or broken mainspring causes light primer strikes, misfires, or failure to fire in double-action mode. Removed from a functioning revolver and inspected prior to sale.
Part Details
- Part Number: 586141
- Also Known As: Hammer Spring
- Condition: Used — inspected and functional
- Manufacturer: Smith & Wesson
- Frame: L Frame
- Caliber: .357 Magnum
Model Compatibility
| Make | Frame | Model | Caliber | Compatible |
|---|---|---|---|---|
| Smith & Wesson | L Frame | Model 586 (.357 Magnum) — all dash revisions (586 through 586-8) | .357 Magnum | ✓ Yes |
| Smith & Wesson | L Frame | Model 581 (.357 Magnum fixed sight) | .357 Magnum | Verify before ordering |
| Smith & Wesson | L Frame | Other L Frame models (386, 619, 620) | Various | Verify before ordering |
| Smith & Wesson | K / N / X Frame | All | Various | ✗ No — different frame size |
Mainsprings can weaken over time, causing light primer strikes and misfires. Verify your model number before ordering. Contact us with fitment questions.
Installation Note
Gunsmith Recommended: Mainspring replacement requires side plate removal and action disassembly. Installation and function testing by a qualified gunsmith is recommended.
We only ship to addresses within the United States.