The age old question of speed versus versatility can be argued for days when it comes to scopes. Why argue when you can have both? The SR-8 series of rifle scopes provide a generous magnification range that includes a true 1X power setting at the low end though a high end of 8X. All available models are ideal for engaging targets at distances ranging from point blank out to 800+ yards.U.S. Optics, Inc. scopes are constructed of 6061 T-6 aluminum, then type III hard anodized, making it extremely durable. By using the finest materials and advanced engineering, the SR-8 is a lightweight, affordable scope that surpasses the competition.