Smith & Wesson Rear Sight Elevation Plunger Spring - Factory New OEM Part
Genuine Smith & Wesson factory new rear sight elevation plunger spring (Part #105710000) for multiple 9mm, 10mm, and .45 ACP pistol models. Essential component for adjustable rear sight elevation.
Compatible Models:
- 9mm Models: 439, 459, 539, 559, 639, 659, 3904, 3944, 3946, 5903, 5904, 5906
- 10mm Models: 1006
- .45 ACP Models: 645, 4506
Product Features:
- Factory new condition - authentic S&W OEM part
- Precision-manufactured spring steel
- Critical component for sight elevation adjustment
- Ensures proper elevation plunger tension
- Direct replacement for worn or weakened springs
- Maintains precise sight adjustments
Installation Notes:
Rear sight elevation plunger spring installation requires proper disassembly of the rear sight assembly. Professional gunsmith installation recommended to ensure correct function and sight retention.
Maintain precise sight adjustments in your Smith & Wesson pistol with this genuine factory replacement spring.