U.S. Optics (US Optics) Scopes for Sale

U.S. Optics, Inc. of the United States has been building riflescopes since 1991, evolving from custom build-to-order origins and taking over USMC Unertl 10× service/replacement with the fixed-power MST-100 into off-the-shelf B-Series and then Foundation Series lines for tactical and precision use. Its scopes are distinguished by the EREK elevation system that rough-zeros via a center screw to maximize usable travel, generous elevation in large-diameter tubes, and U.S.-assembled Foundation Series models built for precision and duty roles.