NC Star's Mark III series are some of the best optics we have seen at Airgundepot.com. From the beautifully coated camera-like lenses, to the 100% aircraft grade aluminum construction, the Mark III series are among the most rugged and high performing optic available in such a compact design. This model of the NC Star Mark III series is rubber armored making it even more durable with a fully integrated picatinny weaver mount as well as a fully adjust laser built in to its side. You also get a powerful 3-9 times magnification which is great of the average shooting distance. Perfect for airsoft players that want the best of the best in their optics, and great for firearm enthusiasts. Features: Open target turrets Fully multicoated lenses Built in sunshade Quick focus eyepiece Integrated quick release weaver style/picatinny mounting system Specifications: Model# : SFB3940R Magnification : 3x-9x Objective Dia. ( mm ) : 42.00 Lens Coating : Emerald Reticle : Mil-Dot