About the Sig Sauer TREAD M-LOK Sight Rail
A short aluminum M-LOK Picatinny rail section, the factory sight/accessory rail for the SIG M400 TREAD handguard.
Key Features
- Factory replacement sight rail for the M400 TREAD
- Bolts to M-LOK handguard slots
- Short 4-slot Picatinny section for sights or accessories
- Hardware included
Specifications
| Attachment | M-LOK |
| Rail | Picatinny, 4 slots |
| Length | 1.90″ |
| Material | Aluminum |
| Finish | Black |
| Compatibility | M400 TREAD handguard (factory replacement); any M-LOK handguard |
| Part Number | KIT-TRD-SIGHT-RAIL |
FAQ
What does it fit?
It fits the Sig Sauer M400.
What’s included?
Rail with screws and T-nuts
Where can I buy it?
Order online or visit Black Bayou Armory in Benton, LA.






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