As rifles and ammunition become more capable of accurately and consistently dropping game at extended distances, long-range hunters have a need for an optic that provides the clarity and magnification they need to get on target. Too, long-range competition shooters are in need of an optimized riflescope that ensures their ability to ring steel at the outer limits of their rifle's range. The US Optics TS-20X is the perfect option for the range or field rig. The US. Optic TS-20X's construction on a large 34mm tube ensures that it'll be tough enough to withstand rugged use in the field, as well as leave room for the increased adjustment needed to land rounds at long range. A Mfg: Us Optics