Black Rifle Depot 15" M-LOK AR10 Handguard

15" M-LOK AR10 Handguard The premium line of free float handguards are machined from a custom 6061-T6 extrusion, Black Rifle Depot's handguards will provide you with a lifetime of service. Unlike many other manufacturers who simply cut holes and slots in their extrusion, these are machined on every surface of the exterior to ensure a uniform and flat surface. These 4140 steel barrel nuts do not need to be indexed for gas tube clearance, and installs with a standard castle nut wrench. Lifetime Guarantee on a parts and craftsmanship. Features: Hard coat anodized per Mil-Spec 4140 steel barrel nut - anodized Top rail length: 15" Weight with mounting hardware: 11.3 ounces M-LOK mounting points at 3:00, 6:00, and 9:00 100% American Made Does not work with AERO M5 Upper Receiver