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Smith & Wesson Model 659 9mm Slide Stop Assembly — NOS OEM Part 066320000
$74.99
Smith & Wesson Model 659 9mm Slide Stop Assembly — NOS OEM Factory Part
New old stock (NOS) OEM slide stop assembly for the Smith & Wesson Model 659, a 2nd generation 9mm stainless steel double-stack semi-automatic pistol. This genuine S&W factory part (part #066320000) is manufactured to original factory specifications and tolerances. The slide stop assembly controls slide lock-back on the last round and manual slide release — a worn or damaged slide stop can cause failure to lock back or premature lock-up.
Specifications
- Part Number: 066320000
- Manufacturer: Smith & Wesson
- Model: 659 (2nd Generation)
- Caliber: 9mm
- Part Type: Slide Stop Assembly
- Condition: New Old Stock (NOS) — unused, original factory part
Model Compatibility Chart
| Model | Generation | Caliber | Frame Material | Compatibility |
|---|---|---|---|---|
| Model 659 | 2nd Gen | 9mm | Stainless | ✓ Compatible — listed model |
| Model 559 | 2nd Gen | 9mm | Blued Steel | ⚠ Verify fit — same platform, different finish |
| Model 459 | 2nd Gen | 9mm | Alloy | ⚠ Verify fit — same platform, alloy frame |
| Model 59 | 1st Gen | 9mm | Blued Steel | ⚠ Verify fit — earlier generation |
| Model 5903, 5904, 5906 | 3rd Gen | 9mm | Various | ✗ Not compatible — 3rd gen redesign |
| Model 39, 439, 539, 639 | 1st/2nd Gen | 9mm | Various | ✗ Not compatible — single-stack frame |
| M&P Series (all) | Modern | Various | Polymer | ✗ Not compatible — striker-fired |
Important Notes
- This listing is for the slide stop assembly only. Slide stop spring, pin, and associated parts are sold separately.
- >li>The Model 659 is a 2nd generation 9mm double-stack stainless steel pistol based on the Model 59 platform. Slide stop compatibility with other 2nd gen variants (559, 459) is likely but should be verified before ordering. >li>This is a
New Old Stock (NOS)
- part — unused original factory inventory, not a reproduction. May show minor shelf wear consistent with age. >li>Disassembly and reassembly required. Some fitting by a qualified gunsmith may be necessary. >li>
We ship to U.S. addresses only.
- All Smith & Wesson factory parts are subject to availability and may require backorder processing.