Fortis REV II 12.4" M-LOK Free Float Rail – Black
Not Yet Rated | Write the First Review SKU: 222-FOR-REV-II-12-ML
UPC: 855476000000
MFG#: REV-II-12-ML

When you hold a Fortis rail, you feel the difference. The Fortis REV II 12.4" M-LOK Free Float Rail System in black isn’t just another handguard — it’s precision, strength, and style engineered into one lightweight package. Designed for shooters who expect more from their rifle, the REV II blends form and function seamlessly with its aggressive styling and battle-ready construction.

Precision Design Meets Strength

Machined from aircraft-grade 6061-T6 aluminum, the REV II rail gives you the stability of a full-length top rail while staying incredibly light. The proprietary Fortis barrel nut design ensures a secure lock-up and easy installation without specialized tools. It’s built to handle serious use — whether that’s at the range, in competition, or in the field.

M-LOK Versatility You Can Count On

This 12.4" M-LOK handguard gives you rock-solid mounting points where you actually need them. Whether you’re running lights, lasers, or grips, the open architecture keeps weight down and airflow up. The black hard-coat anodized finish adds durability and a clean, tactical look that stands up to years of hard use.

Smart Features for Real Shooters

• Length: 12.4 inches

• Material: 6061-T6 Aluminum

• Finish: Type III Hard Coat Anodized (Black)

• Mounting System: M-LOK

• Top Rail: Continuous 1913 Picatinny

• Compatibility: AR-15 / M4 platforms

• Design: Free-float with anti-rotation tabs

• Weight: Lightweight profile for balance and control

Every detail of the Fortis REV II rail was thought through — from the quick installation to the ergonomic grip profile that stays comfortable through long sessions. The anti-rotation tabs lock tight, keeping your rail perfectly aligned with your upper receiver for true zero retention.

Why Shooters Choose the Fortis REV II

Because every ounce matters, and every detail counts. The REV II gives you a rigid, dependable rail system that can take the abuse of real-world use without weighing your rifle down. It’s not just built for looks — it’s built to perform.

Compatible With

• AR-15 / M4 rifles using a standard mil-spec upper receiver

• M-LOK compatible accessories (lights, grips, bipods, sling mounts, and more)

• Most low-profile gas blocks

Finish Options

Also available in Flat Dark Earth (FDE) and other color variants. This page covers the Black version — the clean, classic finish that complements any build.

FAQ – Fortis REV II 12.4" M-LOK (Black)

Q: Does this rail come with the barrel nut?
A: Yes, the Fortis REV II includes the proprietary barrel nut and mounting hardware needed for installation.

Q: Will it fit a mid-length gas system?
A: Absolutely. The 12.4" length pairs perfectly with mid-length gas systems and low-profile gas blocks.

Q: Is this compatible with piston systems?
A: The REV II is primarily designed for direct-impingement AR-15 systems, but it may fit some piston setups depending on clearance.

Q: How much does it weigh?
A: The 12.4" model weighs roughly 10.5 oz with the barrel nut — making it one of the lightest aluminum rails in its class.

Q: Is this the same as the original Fortis REV rail?
A: The REV II is the updated version, with improved machining, enhanced rigidity, and M-LOK compatibility.

Own the Fortis Advantage

If you’re serious about your rifle’s performance and looks, the Fortis REV II 12.4" M-LOK Free Float Rail in Black is the upgrade that delivers both. Strong. Lightweight. Purpose-built.