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S&W Model 22A Mainspring .22 LR Used, Part 22A1-17
$6.99
Factory OEM Smith & Wesson mainspring for the Model 22A-1 semi-automatic rimfire pistol. Used part in good working condition — normal wear consistent with use may be present but does not affect function.
Specifications
- Part Number: 22A1-17
- Caliber: .22 Long Rifle (.22 LR)
- Part Type: Mainspring
- Material: Spring Steel
- Condition: Used / Surplus
- Brand: Smith & Wesson
Function
The mainspring powers the hammer, providing the tension needed to drive it forward with sufficient force to reliably ignite rimfire primers. A worn or weak mainspring can cause light strikes and failure to fire — replacing it restores consistent ignition.
Compatibility
| Model | Caliber | Type |
|---|---|---|
| Model 22A | .22 LR | Semi-Auto Pistol |
| Model 22A-1 | .22 LR | Semi-Auto Pistol |
| Model 22S | .22 LR | Semi-Auto Pistol |
Installation Note
Verify model number before ordering. Test fire after installation to confirm reliable primer ignition across multiple ammunition types.