V Seven Weapon Systems 2055 Enlightened AR-15 Upper Receivers

Advanced Lithium/Aluminum alloy is lighter, stronger, more rigid, and has greater corrosion resistance than standard 7075 T6 aluminum. V Seven recommends all pins, springs, screws and components to be installed with a quality lubricating oil/grease. Enlightened 2055 Uppers are not compatible with Geissele MK8 Rails without minor fitting of the rail to the upper. For complete and current information on this item please see the manufacturer's website.Specifications:Machined from billet 2055 Lithium/AluminumMil-spec type III class II hard coat anodized blackCompatible with most aftermarket handguard/rail systemsWeighs 5.8 oz