Skip to product information
Smith & Wesson pistol mainspring with a label on a white background

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.

You may also like