With the VX-Freedom you get best-in-class optics and unbeatable accuracy. It's also everything you expect from a Leupold: designed, machined, and assembled in their Oregon factory, tested to the same ruggedness standards as their top-tier riflescopes, and guaranteed for a lifetime of performance.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.FeaturesOuter lens surfaces are scratch resistant to military standard extreme abrasion specification1/4 MOA precision finger click adjustments for windage and elevation Versatile 3:1 zoom ratio erector system is ideal for virtually any situationWaterproof, fogproof and shockproofDurable 1" main tube constructed from aircraft quality aluminumCDS elevation turret calibrated for 450 Bushmaster