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Fortis Manufacturing, Inc.
The Fortis Camber Rail 9.6" M-LOK handguard delivers a lightweight, rock-solid platform for AR-15 builds that demand precision and reliability. Built around Fortis's Camber Lock mounting system, this rail gives you one of the most rigid mounting solutions available without unnecessary weight. At just over 7 ounces, it's engineered from aircraft-grade 6061-T6 aluminum and paired with a stainless steel barrel nut for durability and minimal added mass—a smart choice for hunters, competitive shooters, and tactical builders who refuse to compromise on either performance or handling.
Installation is straightforward: the included T30 Torx L-key and a quality castle nut wrench (sold separately) are all you need to lock it down tight in minutes. Equally important, field stripping and service are hassle-free thanks to the rail's clean removal design. The continuous top rail provides a consistent sight plane, while M-LOK slots at the standard 3, 6, and 9 o'clock positions cover your primary accessories. Fortis added offset mounting locations at 1:30, 4:30, 7:30, and 10:30 o'clock, giving you maximum flexibility to position lights, switches, and other gear exactly where you need them without interference or clutter.
The 1.34-inch internal diameter fits standard AR-15 profile barrels, and the Type III hard-coat anodized finish protects against corrosion and wear. Made in the USA, this handguard is engineered for shooters who expect their rail to stay put under recoil and field use.
| Length | 9.6 inches |
| Material | Aircraft-grade 6061-T6 aluminum |
| Handguard Weight | 7.08 oz |
| Barrel Nut Weight | 2.9 oz |
| Internal Diameter | 1.34 inches |
| M-LOK Slot Positions | 3, 6, 9 o'clock (standard); 1:30, 4:30, 7:30, 10:30 o'clock (offset) |
| Top Rail | Continuous |
| Barrel Nut | Stainless steel with Type III hard-coat anodized finish; castle nut wrench compatible |
| Mounting System | Camber Lock |
The handguard comes with a T30 Torx L-key for tightening the camber lock nuts. You'll also need a quality castle nut wrench to install the barrel nut; this is not included. Once you have those tools on hand, installation takes just a few minutes.
The Camber Rail is designed for standard AR-15 builds. The internal diameter is 1.34 inches, which accommodates standard AR-15 barrel profiles. Confirm compatibility with your specific upper receiver and barrel before purchase.
Yes. The rail features M-LOK slots at the traditional 3, 6, and 9 o'clock positions, plus additional offset slots at 1:30, 4:30, 7:30, and 10:30 o'clock. This gives you plenty of real estate to mount lights, switches, foregrips, and other M-LOK-compatible accessories without running out of space or dealing with interference.
The handguard itself weighs 7.08 ounces, and the barrel nut adds 2.9 ounces. Combined, the complete rail assembly is under 10 ounces—lightweight without sacrificing the rigidity the Camber Lock system is known for.
Fortis Manufacturing, Inc.
The Fortis Camber Rail 9.6" M-LOK handguard delivers a lightweight, rock-solid platform for AR-15 builds that demand precision and reliability. Built around Fortis's Camber Lock mounting system, this rail gives you one of the most rigid mounting solutions available without unnecessary weight. At just over 7 ounces, it's engineered from aircraft-grade 6061-T6 aluminum and paired with a stainless steel barrel nut for durability and minimal added mass—a smart choice for hunters, competitive shooters, and tactical builders who refuse to compromise on either performance or handling.
Installation is straightforward: the included T30 Torx L-key and a quality castle nut wrench (sold separately) are all you need to lock it down tight in minutes. Equally important, field stripping and service are hassle-free thanks to the rail's clean removal design. The continuous top rail provides a consistent sight plane, while M-LOK slots at the standard 3, 6, and 9 o'clock positions cover your primary accessories. Fortis added offset mounting locations at 1:30, 4:30, 7:30, and 10:30 o'clock, giving you maximum flexibility to position lights, switches, and other gear exactly where you need them without interference or clutter.
The 1.34-inch internal diameter fits standard AR-15 profile barrels, and the Type III hard-coat anodized finish protects against corrosion and wear. Made in the USA, this handguard is engineered for shooters who expect their rail to stay put under recoil and field use.
| Length | 9.6 inches |
| Material | Aircraft-grade 6061-T6 aluminum |
| Handguard Weight | 7.08 oz |
| Barrel Nut Weight | 2.9 oz |
| Internal Diameter | 1.34 inches |
| M-LOK Slot Positions | 3, 6, 9 o'clock (standard); 1:30, 4:30, 7:30, 10:30 o'clock (offset) |
| Top Rail | Continuous |
| Barrel Nut | Stainless steel with Type III hard-coat anodized finish; castle nut wrench compatible |
| Mounting System | Camber Lock |
The handguard comes with a T30 Torx L-key for tightening the camber lock nuts. You'll also need a quality castle nut wrench to install the barrel nut; this is not included. Once you have those tools on hand, installation takes just a few minutes.
The Camber Rail is designed for standard AR-15 builds. The internal diameter is 1.34 inches, which accommodates standard AR-15 barrel profiles. Confirm compatibility with your specific upper receiver and barrel before purchase.
Yes. The rail features M-LOK slots at the traditional 3, 6, and 9 o'clock positions, plus additional offset slots at 1:30, 4:30, 7:30, and 10:30 o'clock. This gives you plenty of real estate to mount lights, switches, foregrips, and other M-LOK-compatible accessories without running out of space or dealing with interference.
The handguard itself weighs 7.08 ounces, and the barrel nut adds 2.9 ounces. Combined, the complete rail assembly is under 10 ounces—lightweight without sacrificing the rigidity the Camber Lock system is known for.
