This Swarovski X5i 5-25x56 riflescope with BRM-I+ reticle features newly designed turret and inversion systems built with stainless steel components, a patent pending spring retention and lever system, 80 clicks per revolution, rugged main tube with built up wall thickness, elevation turret with viewing window, subzero allowing 40 clicks below a pre-set zero, parallax correction from 50m to infinity, and Swarotop, Swarodur, and Swaroclean coatings.30mm main tubeElevation and windage turrets are large and easy to adjust, with solid, tacticle clicks, visible markings, and turn indicatorsThe new spring retention system in the scope turrets enabled the X5/X5i to reach a higher adjustement range. Return lever design ensures constant pressure in each position of the inversion system, guaranteeing maximum precision across the entire spectrum of turret adjustmentParallax turret facilitates quick focus and parallax adjustmentOptical design optimized for maximum performance across entire magnification rangeIllumination unit (X5i models only) is ergonomically designed with simple and effective controlsSwarovski Demo ProductsSwarovski demo products have been slightly used for display or demonstrations by Swarovski during outdoor industry events. They may exhibit minor cosmetic imperfections that will vary from demo product to product. Swarovski demo products and their included accessories are guaranteed by Swarovski to operate to the standards for a new product. In rare cases, one or more accessories may be missing. All Swarovski demo products are covered by the Swarovski Limited Lifetime Warranty (View Warranty)