This Nightforce ATACR F1 5-25x56mm riflescope with Tremor3 reticle and .1 Mil-Radian features ZeroStop, power throw lever, beautiful ED optics, capped windage adjustment, parallax adjustment, enhanced engraving eyepiece, and XtremeSpeed thread for fast diopter adjustment. The ATACR F1 5-25x56mm is the perfect all-around long range riflescope.