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The Fortis Switch™ 13.8” M-LOK Free Float Rail System (Mod 1) is a precision-engineered handguard built for shooters who demand uncompromising performance and innovation. Designed around the AR-15 platform, it delivers strength, lightweight handling, and quick adaptability for mission or competition setups.
Crafted from 6061-T6 aircraft-grade aluminum, the Switch Mod 1 is both durable and incredibly lightweight. Its patent-pending locking mechanism allows for tool-less removal, letting you change rails or perform maintenance in seconds without losing zero. This unique system gives you the freedom to modify your rifle’s setup quickly and efficiently — whether you’re at the range, in a competition, or in the field.
With a balance of sleek design and robust functionality, the Fortis Switch™ Mod 1 sets the benchmark for modular AR-15 rail systems.
Why Choose the Fortis Switch™ 13.8” M-LOK Mod 1
The Fortis Switch Mod 1 isn’t just another free float handguard — it’s a complete rethinking of how a rail should perform.
Every curve, slot, and locking surface was designed for shooters who prioritize precision, stability, and ease of use. The tool-less locking lever system ensures a rock-solid attachment to the barrel nut while providing effortless removal when needed. Unlike traditional rail systems, there’s no need for wrenches, screws, or heat shields — this rail system was made for speed and simplicity.
The 13.8-inch length gives you full coverage for mid-length and rifle-length gas systems while keeping weight to a minimum. Its M-LOK platform provides unlimited mounting options for lights, grips, bipods, and accessories, allowing you to tailor your rifle exactly to your shooting style.
Key Features
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True Free Float Design: Improves accuracy by isolating the barrel from external pressure.
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6061-T6 Aluminum Construction: Lightweight and durable for long-term reliability.
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Patent-Pending Cam Lock System: Enables secure, tool-less installation and removal.
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Full-Length Picatinny Top Rail: Offers stable mounting for optics and sights.
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M-LOK Mounting System: Compatible with all M-LOK accessories for maximum versatility.
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Type III Hardcoat Anodized Finish: Corrosion-resistant and built to last.
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Length: 13.8 inches — perfect for mid-length and rifle gas systems.
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Made in the USA: Precision-engineered and manufactured in America.
Technical Specifications
| Specification | Detail |
|---|---|
| Model: | Fortis Switch™ Mod 1 |
| Platform: | AR-15 |
| Length: | 13.8 inches |
| Material: | 6061-T6 Aluminum |
| Finish: | Type III Hardcoat Anodized (Matte Black) |
| Mount Type: | M-LOK |
| System Type: | Free Float |
| Weight: | 10.8 oz (without nut) |
| Attachment: | Tool-less Locking Lever |
| Compatibility: | Standard AR-15 mil-spec uppers |
| Made in: | USA |
Installation & Compatibility
The Fortis Switch Mod 1 installs quickly and securely with no specialized tools. The cam lever mechanism locks the rail in place on the barrel nut with complete 360° engagement, ensuring your setup remains rigid under recoil.
Installation requires torquing the barrel nut to spec (30–35 ft-lbs), aligning the rail, and engaging the lever for a perfect fit. When maintenance or configuration changes are needed, simply flip the lever and remove the rail without losing zero.
Compatible with AR-15 mil-spec 5.56 receivers and most suppressor setups, the Switch 13.8” is perfect for custom rifle builders who value function and speed.
Frequently Asked Questions (FAQ)
Q: Is the Fortis Switch 13.8” compatible with all AR-15 uppers?
A: Yes. It fits all standard AR-15 mil-spec upper receivers and DPMS-style barrel nuts included with the rail.
Q: What gas system length works best with the 13.8” rail?
A: The 13.8” model is ideal for mid-length and rifle-length gas systems, providing optimal coverage without adding unnecessary weight.
Q: How does the Fortis Switch Mod 1 differ from Mod 2?
A: The Mod 1 uses the original cam-lever design, while Mod 2 features refined locking tolerances for even tighter engagement. Both deliver exceptional rigidity and tool-less removal.
Q: Does the Fortis Switch rail include the barrel nut and hardware?
A: Yes. Every Fortis Switch Mod 1 includes the barrel nut, cam lever, screws, and installation hardware.
Q: Is the Fortis Switch rail made in the USA?
A: Absolutely. All Fortis products are designed, machined, and finished in the USA from premium materials.
Upgrade Your Rifle with the Fortis Switch™ Mod 1
The Fortis Switch™ 13.8” M-LOK Rail System represents the perfect fusion of lightweight performance, strength, and innovation. With its patented quick-detach design and unmatched machining quality, it’s a top choice for AR-15 builders who want reliability and adaptability in one system.
If you value speed, precision, and American engineering, the Fortis Switch Mod 1 is the rail you’ve been waiting for.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.
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