Tailored specifically for tactical and target shooters the crimson trace hardline optics have undergone meticulous ground up design. These optics are equipped with aerospace grade 1 inches and 30mm tubes, purposefully built to withstand rigorous use, ensuring lasting durability. Offering generous eye relief for swift target reacquisition, these optics are fully multi-coated, nitrogen purged, waterproof, and ready to confront diverse environmental challenges. You can trust that all crimson Trace scopes are covered by a lifetime protection guarantee warranty and our outstanding customer service team is at your service.