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Fortis Switch Rail 556 14" KeyMod HandGuard (SWITCH556-14")

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The Fortis Switch Rail is a revolutionary design in the AR-15 Handguard.  The unique features about the Fortis switch rail is that, once installed, it gives the user the ability to quickly switch from one rail to another rail, all without any tools needed.  All that is required is that you flip the 6 o’clock mounted switch and pull off your rail and swap in a new one by reversing the process.


The Fortis Switch Advantage

This 14” KeyMod AR-15 handguard in easily installed and can be swapped out with another Fortis rail fast and efficiently.  The Fortis Switch utilizes a proprietary barrel nut and mounting system on the rail itself.  This combination allows the rail to easily clamp onto the barrel nut and then to be easily removed once the mounting lever has been switched.  This can be useful for many situations.  For instance, if you have an adjustable gas block.  Removing your rail to get to your gas block can be much more convenient than trying to fish through the rail to adjust your gas block.  Additionally, if your mission or competition situation requires the use of a longer/shorter rail, you can easily swap out to another one.



The Fortis Switch 556 offers you a great deal of versatility.  The most prominent Mounting system integrated into the handguard is the KeyMod accessory mounting system.  This AR-15 rail gives you full length KeyMod mounting holes at the 3, 6, and 9 o’clock.  This allows you to mount your favorite KeyMod accessories, right where you need them the most.



The Fortis rail utilizes another mounting platform in addition to the KeyMod mounting slots.  The top section of the Switch features a full-length Picatinny rail section that will be continuous with the rail section on your AR-15 flat top upper.  This top mounted Picatinny section allows you to mount your back-up iron sight (BUIS), optic, or any other Picatinny compatible accessory.


Sling Mount

The Switch 556 has several integrated sling mounting position.  These sling mounting sockets are located on both the left and right side of the rail.  Based on your preference, you can choose to either hook-up your sling at the forward or rear section of the rail, using one of the four available sling mounting sockets.  The sling mounts are compatible with QD (Quick Disconnect) sling swivels.  The QD sockets used on the Fortis rail are anti-rotational.  This prevents your sling from getting tangled.


Built Tough

The Fortis Switch 556 14” rail is machined from 6061-T6 aluminum.  This aluminum alloy allows the Fortis Switch the be light weight, yet extremely durable.   The locking handle used in this rail is machined from a high strength 7075-T6 aluminum to ensure that it is more than capable of putting up with stress.  To enhance corrosion resistance and to give the Switch its black color, the aluminum has been anodized with a hard coat finish.


The barrel nut used for this rail system Is made from 4140 steel.  The steel is heat treated and designed to fit onto a standard AR-15 upper receiver. 



Fortis manufacturing recommends that the Switch rail be installed by a competent gunsmith.  Installation will require the use of a (not included) spanner wrench.   For more information, please view the installation instructions.



Weight Of Rail Alone 9.8 Ounces

Weight Of Barrel Nut 1.6 Ounces

14.75” Rail Total Length

1.34” Internal Diameter

Machined From 6061 Aluminum

Locking Handle Machined From 7075 Aluminum



Additional Information

Part #SWITCH556-14"


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