Yankee Hill Machine Co Black Diamond Series Forearm, 12.6" Rifle Length, Fits AR-15, Black Finish YHM-9635-DX

Diamond-shaped vents in a unique, latticework pattern give your weapon a distinctive look and provide superb airflow to prevent barrel from overheating. Helps keep your hand cool, too, while reducing weapon's overall weight. Provides four, full-length Picatinny rails for maximum flexibility in mounting tactical accessories. Four, full-length Picatinny rails provide maximum flexibility in mounting tactical accessories. Machined from high-grade 6061 T6 aluminum and mil-spec hardcoat anodized to withstand combat and heavy-duty usage. Extended top rail gives a gap-free fit to receiver rail. Slots are marked alphanumerically to help identify accessory locations. Threaded front end accepts Yankee Hill screw-in end cap, available separately. Comes with jam nut, barrel nut and anti-rotation screws to ensure handguard stays locked in place.