C-MORE Systems new free floating handguard system enhances barrel accuracy and features picatinny style mounting rails for accessories. The computer designed ventilation system allows for enhanced barrel cooling. It is CNC-machined from aircraft alloy, and its unique design allows for accurate rail indexing. Appropriate for all flattop and fixed carry handle carbines and rifles.


FREE-FLOATING DESIGN

The Quad-Rail Handguard is a true "free-floating" design which means it only mounts to the receiver and not the barrel. This keeps the barrel from having to support the weight from accessories mounted to the handguard which can cause the barrel to move slightly, making the weapon less accurate.


FOUR MOUNTING RAILS

The Quad-Rail features four picatinny style mounting rails for attaching accessories such as red dot sights, scopes, flashlights, pistol grips, and lasers.


ACCURATE RAIL INDEXING

The unique design of the Quad-Rail allows the mounting rails to be accurately indexed to the weapon. They can be indexed to the picatinny rail on flattop receivers or in any other position desired.


COMPUTER DESIGNED VENTILATION SYSTEM

The ventilation slots on the Quad-Rail are computer designed to allow maximum heat dissipation which keeps the barrel cooler and more accurate. The Quad-Rail can produce up to 80% cooler barrel temperatures than stock handguards.


CNC MACHINED

Made from 6061-T6 Aircraft Aluminum, the Quad-Rail is CNC machined to exacting tolerances from one piece of material, unlike other products which have rails bolted to a tube.

The Quad-Rail is mounted to the receiver by replacing the weapons stock barrel nut with the Quad-Rail barrel nut. Once the new barrel nut is in place, the Quad-Rail simply threads on and is locked in place with a locking ring. Although the installation is simple, special tools are required and is best left to a qualified expert.
The Quad-Rail is currently available in Three models to fit Carbine and Rifle length weapons from the AR-15 / M-16 family.

* Note: Not for use on .308 caliber weapons.
Models Application
QRC
(Carbine)
Fits all Carbine length barrels (16") including the M-4
QRC2
(Carbine +2)
Designed for Armalite Carbine barrels (16"), which have handguards that are 2" longer than standard Colt and clones.

* The QRC2 is also great for for covering low profile gas blocks on standard Colt/clones carbine barrels.
QRR
(Rifle)
Fits all Rifle length barrels (20")
Dimensions
QRC - Carbine
Length 7.2 in. (182.81 mm)
Width 2.4 in. (60.9 mm)
Height 2.4 in. (60.9 mm)
Weight 15.8 oz. (447.9 g)
QRC2 - Carbine +2
Length 9.2 in. (233.68 mm)
Width 2.4 in. (60.9 mm)
Height 2.4 in. (60.9 mm)
Weight 19.2 oz. (544.3 g)
QRR - Rifle
Length 12.6 in. (319.9 mm)
Width 2.4 in. (60.9 mm)
Height 2.4 in. (60.9 mm)
Weight 25.4 oz. (720.1 g)
Mounting
Application AR-15 / M-16 family (Rifle & Carbine)
Type Tube / Lock Ring
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