The Sharps Bros SBHG07 is a Full Top Rail model, signifying that the Picatinny top extends entirely from the start to the finish. This extensive rail provides ample space for mounting any accessories you might need. This 14\" Full Top Rail M-Lok Handguard kit includes a Barrel Nut & Hardware.The handguard is crafted from 6061-T6 aluminum and anodized in black as per mil-spec MIL-A-8625F, Type III, Class 2 standards. The high-quality barrel nut is made of 4140 PH steel. This model boasts a full top rail and M-Lok slots on seven other sides. The package comes with anti-rotation tabs.In terms of weight, the handguard comes in at a lean 7.0 ounces, while the barrel nut and additional hardware add a mere 2.6 ounces.