The Crimson Trace Hardline Pro optics are designed with the experienced tactical and target shooter in mind and have been purposefully built from the ground up. The line features Aerospace grade 30mm tubes with short, medium and long-range optics with a variety of custom reticles. They are fully multi-coated, nitrogen purged, shock resistant, and ready for whatever elements they encounter. All Crimson Trace Scopes are covered under the LIFETIME Protection Guaranteed Warranty and backed by their award-winning customer service team. Features:2nd focal planeAerospace grade 30mm tubeSegmented illuminated reticleFully multi-coated lens for maximum clarityGenerous 3.7"-3.8" eye reliefQuick spring-loaded zero reset capped turretsWaterproof, shockproof and nitrogen purgedLightweight aluminum construction, 21.16oz