17" handguards for AR15 with lightweight and durable designMade in the USA productMade of 6061-T6 aluminum with a matte black hard anodized finish8 M-Lok slots on each side (3 - 6 -9 o'clock) and 1 additional slot on each 45° angled side38 slot Picatinny upper base with a design studied to align and make the upper base continuousErgonomic octagonal profileBarrel Nut in burnished steel includedThe package includes:Barrel Nut with keyFixing kit with screws, torx keys and barrel nut keyEffective length: 438mmWeight: 408gN.B.: Compatible with Mil-Spec standards - Compatible with barrels up to 1.05"