Model DFOV14-C1 calibrated for 5.56 ammunition, black finish. SN: ATI-31-54315. Dual magnification optical sight with fixed 1x and 4x settings, illuminated reticles and built in quick attach Picatinny mounting system. Includes flip up scope covers and honeycomb objective lens cover. As new in box with all paperwork, not previously mounted to a rifle. One of the best medium format tactical telescopic sight systems currently on the market for .223/5.56 rifles.