11 layer fully multi-coated optics for excellent clarity; 1 inch mono-tube chassis for superior strength; Adjustable objective for parallax correction; 1/4 MOA low profile "no-snag" fingertip turrets; Fast focus eyebell and high torque zoom ring; Threaded objective/ocular for optional accessories; Mil Dot Reticle features multiple aim points for hold-over and hold-under; Waterproof, Shockproof, Nitrogen purged; Includes 1" medium height weaver rail ring mounts