Nikon 8413 2.5-10x44 Monarch X Riflescope (Mildot Reticle - Illuminated) (Black) http://www.amazon.com/gp/product/B000PW5TFE?tag=sukses2015-20 Professional riflescope with unmatched durability decision-making resolution and go-anywhere ruggedness 30mm one-piece main body tube constructed of aircraft grade aluminum precision ground and polished Eco Glass lens Illuminated mildot reticle 50mm objective diameter 25x to 10x magnification 35 inches of eye relief Nitrogen-filled and O-ring sealed for protection against water shock and fog multi-coated optics Backed by Nikons full lifetime warranty