CERAKOTE SPECIAL IN FDE! For a limited time, at no extra cost to you! Limited availability. We will occasionally add specials as they come out of the paint booth! If you choose an assembled upper, those parts will still be BLACK.-Machined to MIL spec from 7075 T6 forgings-Top MIL-Std 1913 Rail -Hardcoat Anodized per MIL-A-8625F, Type III, Class 2-For Use with M4 Barrel extensions-Assembled Upper Receivers come with ejection port cover and forward assist installed-Made in America on American-made machines-Weight: .8.3oz