Nikon has the P-Tactical Riflescope uses fully multicoated optics to give a brighter shot even the most dismal days. This scope offers both a BDC Reticule and ergonomic turrets along with Nikon's free spot on Ballistic Technology to give you what you need for a first shot on target time after time. Take your game up a notch and score higher with the P-Tactical from Nikon. Specifications and Features: Nikon P-TACTICAL .308 4-12x40 16523 BDC 800 Reticle Magnification 4-12x Objective Diameter 40mm Tube Diameter 1" Fixed Parallax Weight 17.5 oz Overall Length 14.1" Waterproof, Fogproof, Shockproof Spring Loaded Instant Zero Reset Turrets Quick Focus Eyepiece Matte Black