The Leupold Mark 5 M5C3 was built with the serious shooter in mind. With input from elite level military personal and professional shooters, Leupold pushed the engineering limits. It features the Twilight Max HD Light Management System for excellent edge to edge clarity, low light performance and increased contrast. The M5C3 Zerolock adjustment turret is a 3 turn dial with 10 Mils of adjustment per turn with tactile revolution indicators. This scope provides the elite optical performance and rugged reliability that you've been searching for. These units are factory refurbished and may have small cosmetic blemishes but have been inspected and serviced by Leupold. They are guaranteed to perform up to Leupold's high standards and are covered under their Gold Ring Full Lifetime Warranty.Features5:1 zoom ratio35mm maintubeHigh-speed power selector with integrated throw lever