Burris 3 x-12 x-50 Millimeter XTR Xtreme Tactical Rifle Scope XTR Tactical 3x-12x-50mm LRS ballistic mil-dot side parallax adjustment illuminated 1-piece tube construction, reinforced quad-seal gas seals and Hi-Lume Multi-coated lenses Water, fog and shockproof 30mm tube,tactical target turrets, side parallax adjustment, includes sunshade Forever warranty