A free floating quad rail is a hand guard that attaches only to the upper receiver via its own barrel nut, avoiding barrel contact to improve accuracy. It provides four Picatinny rails (top, bottom, sides) for mounting lights, grips, lasers, bipods, and sights. Works with: AR-15/AR-10 upper receivers, dedicated barrel nut, compatible barrels, low-profile gas blocks, gas tubes (pistol/carbine/mid/rifle), muzzle devices, and rail mounted accessories. Ideal for modular, duty ready builds.
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