The learning curve to long-range precision is shorter with a PFI RR Evolution 5.56/7.62, 3-12x42mm Scope. This is the flagship of the new Evolution Series designed for 5.56NATO, 7.62 NATO and other ammo with similar ballistics. The advanced optics use Rapid Ranging with holdovers out to 900 yards and data to compensate for barrel length, elevation and a variety of ammo. It also provides instant accuracy on 9" and 18" objects without the need for manual adjustments. The rigid one-piece 30mm 6061 T6 aluminum tube, effective 3-12x magnification range, impeccable BK-7 glass, adjustable parallax and fast focus ocular will impress experienced as well as novice shooters shooters.