Smith & Wesson Multi-Model Rear Sight Plunger — New OEM Part 063780000
$7.99
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Smith & Wesson Multi-Model Rear Sight Plunger — New OEM Part 063780000
$7.99
Smith & Wesson Multi-Model Rear Sight Plunger — New OEM Factory Part
Factory new OEM rear sight plunger for multiple Smith & Wesson 2nd and 3rd generation semi-automatic pistols. This genuine S&W replacement part (part #063780000) is a critical component that secures the rear sight to the slide and provides the spring tension necessary for windage adjustments. A worn, damaged, or missing plunger can cause the rear sight to shift during recoil, resulting in accuracy problems and zero loss.
Specifications
- Part Number: 063780000
- Manufacturer: Smith & Wesson
- Part Type: Rear Sight Plunger / Detent
- Material: Steel
- Calibers: 9mm, .45 ACP, 10mm
- Generations: 2nd and 3rd Generation Semi-Auto Pistols
- Condition: Factory New OEM
Model Compatibility Chart
| Model | Generation | Caliber | Compatibility |
|---|---|---|---|
| Model 39 | 1st Gen | 9mm | ✓ Compatible |
| Model 59 | 1st Gen | 9mm | ✓ Compatible |
| Model 439, 539, 639 | 2nd Gen | 9mm | ✓ Compatible |
| Model 459, 559, 659 | 2nd Gen | 9mm | ✓ Compatible |
| Model 1006 | 3rd Gen | 10mm | ✓ Compatible |
| Model 3904, 3906, 3944, 3946 | 3rd Gen | 9mm | ✓ Compatible |
| Model 4506 | 3rd Gen | .45 ACP | ✓ Compatible |
| Model 5903, 5904, 5906 | 3rd Gen | 9mm | ✓ Compatible |
| Model 645 | 2nd Gen | .45 ACP | ✓ Compatible |
| Model 4003, 4006, 4043, 4046 | 3rd Gen | .40 S&W | ⚠ Verify fit — .40 S&W slide |
| Model 4513, 4516, 4526, 4536, 4546 | 3rd Gen | .45 ACP | ⚠ Verify fit — compact variants |
| M&P Series (all) | Modern | Various | ✗ Not compatible — striker-fired |
Important Notes
- This listing is for the rear sight plunger only. Rear sight body, blade, spring, and screws are sold separately. >li>The rear sight plunger fits into a hole in the slide and applies spring pressure against the rear sight body, providing sight retention and enabling windage adjustment. >li>A worn or missing plunger can cause the rear sight to shift during recoil, resulting in accuracy problems. Replace at first sign of sight movement. >li>Installation requires removal of the rear sight from the slide. A qualified gunsmith is recommended if you are not experienced with sight installation. >li>All Smith & Wesson factory parts are subject to availability and may require backorder processing.