The UTG BugBuster is built on the True Strength Platform, Completely Sealed and Nitrogen Filled, Shockproof, Fogproof, and Rainproof. Reinforced Windage & Elevation Adjustment Components for Added Zero Retention. 1 Inch Tube with Best in Class Emerald Lens Coatings to Achieve Maximum Light Transmission and Clarity. Premium Zero Lockable and Zero Resettable Target Turrets with Most Consistent and Precise 1/3 MOA per Click Adjustment. Classic and Proven Mil-dot Range Estimating Reticle. Side Wheel Adjustable Turret for Parallax Adjustment from 3 Yards to Infinity. Complete with 2" Sunshade, High Quality Flip-open Lens Caps, Cleaning Cloth and Quick Detach Lever Lock Medium Profile Picatinny Rings.Features : Shockproof, Fogproof, and Rainproof Mil-dot Range Estimating Reticle