For professionals in need of a reliable sight for their firearms, the HWS EXPS3(TM) is a great option to consider. One of its key features is the ability to shoot with both eyes open, which allows for fast target acquisition and increased accuracy. Additionally, the EXPS3(TM) is designed to be compatible with night vision settings, making it an ideal choice for those who need to operate in low light conditions. The sight also features a 7mm raised quick detach base, which enables a lower 1/3 iron sight co-witness, providing users with an additional sighting option. These features make the HWS EXPS3(TM) a versatile and convenient option for professionals who need a high-quality sight for their firearms.