Zero Compromise Optic (ZCO) is a true specialty scope company where passion, dedication, and complete focus is building nothing but the highest quality rifle scopes. This can only be accomplished with the most modern and technologically advanced optical and mechanical designs which they have integrated into their products. ZCO maintains an uncompromising dedication to superior design and they are completely committed to ultimate precision, performance, and reliability. Every aspect of their products is analyzed, designed, and produced to meet this objective. Every single rifle scope is subject to extreme and intensive real-world testing such as impact, vibration, and thermal expansion and contraction prior to leaving the ZCO facility.