This is a new in box never mounted Leupold 6x18 scope 40 mm objective has compact target turrets for elevation and windage. This scope is in mils for adjustments. Great glass. reticle is mil dot and used for range estimates. Sniper Central has a great write up on this scope on a .308 out past 800 yards. KENTON INDUSTRIES sells custom turrets just for this scope.you can dial for your load and caliber. 325.00