The Crimson Trace Hardline optics are meticulously engineered for tactical and target shooters, built from the ground up to withstand the rigors of demanding environments. Featuring aerospace-grade 1 inches and 30mm tubes, these optics are constructed to endure harsh conditions while providing exceptional durability. With generous eye relief, users can swiftly return to their target, enhancing overall shooting efficiency. Each scope is fully multi-coated and nitrogen purged, ensuring waterproof performance ready-to tackle any elements. To top it off, all Crimson Trace scopes come with a Lifetime protection guarantee and are supported by our award-winning customer service team, delivering peace of mind and exceptional support for every shooter.