Trijicon Mro Cover Clear Lens BlackProtect the MRO lenses, and keep them clear of rain, snow, mud or other debris. The MRO cover has integral lens covers and a protective armor body that cant fall off or get lost. Low profile design allows covers to be quickly operated with one hand. Covers nest together so they dont flop under recoil. Receptive to most spray paints and hydro dip process. Features : Protects body and lenses One handed operation