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Sig Sauer
The Sig Sauer Tread M-LOK Sight Rail is a 4-slot Picatinny rail section designed to integrate into M-LOK mounting slots on your rifle. Originally engineered as a front sight rail for the M400 Tread platform, this black tactical accessory is versatile enough to serve multiple mounting purposes across M-LOK equipped AR-15s and other modern rifles. If you're building out a Tread rifle or upgrading an existing M-LOK handguard with additional top-rail real estate, this rail bridges the gap between modular slot mounting and standard Picatinny attachment points for optics, lasers, lights, and backup sights.
M-LOK has become the go-to modular attachment standard for hunters, tactical shooters, and competitive riflemen who value weight savings and streamlined profiles over quad-rail bulk. This Sig Sauer rail lets you add a full Picatinny section exactly where you need it—front, rear, or anywhere your handguard slots allow—without committing to permanent rail systems that weigh more and complicate storage and transport. The black finish matches standard rifle furniture and will work with any optic or accessory that seats on 1913 Picatinny.
Whether you're mounting a magnified optic forward of your primary sight, adding a secondary aiming system, or installing a tactical light setup, the Tread M-LOK Sight Rail gives you the mounting flexibility that modern shooters expect. It's a straightforward, no-fuss way to expand your rifle's capability.
| Brand | Sig Sauer |
| Product Type | M-LOK Picatinny Rail Section |
| Rail Slots | 4-slot Picatinny |
| Mounting Interface | M-LOK |
| Finish | Black |
| Primary Application | M400 Tread Front Sight Rail |
The Tread M-LOK Sight Rail is designed to mount into any M-LOK slot interface. It was engineered specifically for the Sig Sauer M400 Tread rifle as a front sight rail, but can be used on any rifle or handguard equipped with M-LOK mounting points.
The 4-slot Picatinny rail accepts any standard 1913 Picatinny-mounted accessory, including rifle scopes, red dots, holographic sights, lasers, tactical lights, backup iron sights, and other optics or tactical gear.
No—this is a rail section only. It provides the Picatinny mounting surface; sights, optics, and other accessories must be purchased separately and mounted to the rail using the appropriate bases or rings.
Sig Sauer
The Sig Sauer Tread M-LOK Sight Rail is a 4-slot Picatinny rail section designed to integrate into M-LOK mounting slots on your rifle. Originally engineered as a front sight rail for the M400 Tread platform, this black tactical accessory is versatile enough to serve multiple mounting purposes across M-LOK equipped AR-15s and other modern rifles. If you're building out a Tread rifle or upgrading an existing M-LOK handguard with additional top-rail real estate, this rail bridges the gap between modular slot mounting and standard Picatinny attachment points for optics, lasers, lights, and backup sights.
M-LOK has become the go-to modular attachment standard for hunters, tactical shooters, and competitive riflemen who value weight savings and streamlined profiles over quad-rail bulk. This Sig Sauer rail lets you add a full Picatinny section exactly where you need it—front, rear, or anywhere your handguard slots allow—without committing to permanent rail systems that weigh more and complicate storage and transport. The black finish matches standard rifle furniture and will work with any optic or accessory that seats on 1913 Picatinny.
Whether you're mounting a magnified optic forward of your primary sight, adding a secondary aiming system, or installing a tactical light setup, the Tread M-LOK Sight Rail gives you the mounting flexibility that modern shooters expect. It's a straightforward, no-fuss way to expand your rifle's capability.
| Brand | Sig Sauer |
| Product Type | M-LOK Picatinny Rail Section |
| Rail Slots | 4-slot Picatinny |
| Mounting Interface | M-LOK |
| Finish | Black |
| Primary Application | M400 Tread Front Sight Rail |
The Tread M-LOK Sight Rail is designed to mount into any M-LOK slot interface. It was engineered specifically for the Sig Sauer M400 Tread rifle as a front sight rail, but can be used on any rifle or handguard equipped with M-LOK mounting points.
The 4-slot Picatinny rail accepts any standard 1913 Picatinny-mounted accessory, including rifle scopes, red dots, holographic sights, lasers, tactical lights, backup iron sights, and other optics or tactical gear.
No—this is a rail section only. It provides the Picatinny mounting surface; sights, optics, and other accessories must be purchased separately and mounted to the rail using the appropriate bases or rings.
