Smith & Wesson CS9 / Model 410, 908, 909, 910 Rear Sight Assembly | Factory New OEM Part 239420000
$24.99
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Smith & Wesson CS9 / Model 410, 908, 909, 910 Rear Sight Assembly | Factory New OEM Part 239420000
$24.99
Smith & Wesson CS9 / Model 410, 908, 909, 910 Rear Sight Assembly — Factory New OEM Part #239420000
This listing is for one (1) factory new Smith & Wesson OEM rear sight assembly, Part #239420000, for the CS9 Chief’s Special and 3rd Generation value-series compact pistols.
The rear sight assembly is the fixed or adjustable rear aiming component that, in combination with the front sight, establishes the sight picture for accurate shot placement. This is a genuine Smith & Wesson factory part manufactured to original specifications for consistent sight alignment and reliable performance — direct OEM replacement, ready to install.
Specifications
- Brand: Smith & Wesson
- Part Number: 239420000
- Condition: Factory New
- Caliber: 9mm / .40 S&W
- Generation: 3rd Generation / Chief’s Special Series
- Part Type: Rear Sight Assembly
Model Compatibility
| Model | Caliber | Series | Compatible |
|---|---|---|---|
| CS9C | 9mm | Chief’s Special Compact | ✓ Yes |
| CS9S | 9mm | Chief’s Special Subcompact | ✓ Yes |
| Model 908 | 9mm | 3rd Gen Value Series | ✓ Yes |
| Model 909 | 9mm | 3rd Gen Value Series | ✓ Yes |
| Model 910 | 9mm | 3rd Gen Value Series | ✓ Yes |
| Model 410 | .40 S&W | 3rd Gen Value Series | ✓ Yes |
| 3904 / 3906 / 3913 | 9mm | 3rd Gen Compact | ✗ Verify — sight profile may differ |
| CS40 / CS45 Series | .40 S&W / .45 ACP | Chief’s Special | ✗ Verify — caliber-specific fitment |
| M&P / SD Series | All | Modern Polymer | ✗ No — different sight design |
Note: Part #239420000 is confirmed for the CS9 and 3rd Generation value-series models listed above. Rear sight replacement may require a sight pusher tool or gunsmith fitting for proper windage alignment. Professional installation is recommended.
Please contact us with any questions before purchasing. We are happy to help confirm compatibility with your specific pistol.