16 layer fully multi-coated optics for exceptional clarity; 30mm mono-tube chassis for superior strength; Speed selector ring - speeds from 215 to 450 fps; XB30 Pro SR Reticle; Glass etched reticle with red illumination; Stepless rheostat offers total brightness control; 1/2 MOA low profile "no-snag" fingertip turrets; Fast focus eyebell and high torque zoom ring; Includes screw-in metal flip-up lens covers; Hawke Worldwide Warranty