Arken Optics products are designed to combine quality, performance and precision with tremendous value. The EP is a FFP (First Focal Plane) optic that features Japanese ED glass to enhance clarity and minimize dispersion. The Arken EP is outfitted with our AZS (Arken Zero Stop) and incorporates adjustable elevation and windage turrets with tactile and audible clicks. These turrets are 10 MIL/25 MOA per revolution.