A free float handguard is a rail that mounts only to the upper receiver via its own barrel nut, never touching the barrel. This improves accuracy by reducing external pressure on barrel harmonics and adds modular accessory mounting (M-LOK/KeyMod/Picatinny). It works with AR-15/AR-10 upper receivers, dedicated barrel nuts, compatible barrels, low-profile gas blocks, gas tubes (pistol/carbine/mid/rifle), and muzzle devices. Pairs with optics, sights, lights, grips, and switches mounted on the rail. Ideal for precision and modern tactical builds.
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