• Built on True Strength Platform, Completely Sealed and Nitrogen Filled, Shockproof, Fogproof and Rainproof • Superior Quality Precision Lens Elements • User-friendly TF2 Tool Free 2-Step Target Turrets for Zeroing and Zero Locking Operations. Pull Up to Dial and Push Down to Lock • Mil-dot Range Estimating Reticle for Most Optimal Aiming and Shooting Performance • One Piece Tube Construction with TactEdge® Angled Integral Sunshade • Parallax Pre-adjusted at 100 Yards • Complete with Picatinny/Weaver Rings and Flip-open Lens Caps