11 layer fully multi-coated optics for excellent clarity; 1 inch mono-tube chassis for superior strength; XB SR Reticle; Designed for speeds of 315 feet per second; BRC compatible, can be calculated for different fps; Glass etched reticle with red and green illumination; 1/2 MOA low profile "no-snag" finger tip turrets; Fast focus eyebell and high torque zoom ring; Waterproof, Shockproof and Nitrogen purged; Hawke Worldwide Warranty