Founded in Southern California in 1997, NcSTAR's mission is to consistently provide superior quality optics and sporting accessories at affordable prices. They are dedicated to providing superb customer service, setting the highest standard in the industry, with a warranty that is second to none. NcSTAR provides innovative and cutting edge optics and accessories by following the latest industry trends and listening to their customer's feedback. Features: Blue and green color reticle Improved BDC Quick focus eyepiece Fully multi-coated lenses 100 to 500 yd BDC calibrated for M193 55 gr