Outerwild AR-15 Premium M-LOK Free-Float Handguard - 7"

The premium line of free float handguards are machined from a custom 6061-T6 extrusion. 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: Machined from 6061-T6 aluminum Hard coat anodized per mil-spec 4140 steel barrel nut Anti Rotation Tabs MLOK mounting points at 3:00, 6:00, and 9:00 1.3" ID REQUIRES CASTLE NUT WRENCH FOR INSTALLATION