The Blink EOTECH ARD is a USA-built anti-relection device (Killflash) specifically designed for EOTECH XPS, EXPS, 518, and 558 models. Its carbon fiber nylon construction effectively prevents glass reflection from lights and provides protection from non-lethal training rounds such as UTM, simunitions, and airsoft. Satisfaction is guarnteed with BLTZDFNS no-questions-asked return policy.