THIS ITEM IS FOR A DROP-IN RIFLE-LENGTH, CIRCULAR HANDGUARD CAP PLATFORM ONLY. NO RETURNS ARE ACCEPTED ON CLEARANCE PRICED ITEMS. WHILE SUPPLIES LAST. Our two piece drop-in full length AR-15 quad rail handguard is a quick and easy install on any full length AR-15 rifle platform. It allows for the mounting of tactical accessories such as bipods, flashlights, and sights. Crafted from aircraft grade aluminum, both sturdy and lightweight, it weighs in at 21 ounces. It is 12 inches in length, 2.5 inches in height, and 2.5 inches in width. The internal diameter is 1.7 inches at its narrowest. Before purchasing and installation, we recommend viewing our quad rail FAQ and installation guides. Easy install 2-piece drop-in design, installs in minutes without gunsmithing tools or expertise. Allows for the mounting of standard picatinny rifle and AR-15 accessories such as bipods, grips, lights, and sights. Available in black, flat dark earth, and olive drab green. Clearance Priced, no returns accepted on this item.