Leupold VX-6HD Features: 1/4 MOA or .1 Mil exposed, repeatable and dependable turret. 30mm maintube. 6:1 zoom ratio with crystal clear image quality across the entire magnification range. Alumina flipback lens covers included. CDS custom dial system matched to your specific ballistic information, that can be changed out easily for different loads. (One free CDS included with purchase) CDS-ZL2 Zero Lock adjustment with revolution indicator. Electronic Reticle Level. Extended battery life. Extreme Fast-Focus Eyepiece. FireDot push button Illumination in select models. Generous Eyebox. Guard-Ion, rain shedding coating. MST (Motion Sensor Technology)that will turn the reticle to stand-by mode after 5 minutes of inactivity on scopes with FireDot reticles. Reversible throw lever that clamps the power selector to provide leverage for fast magnification changes. Twilight Max Light Management System for optimal color rendition and light transmition. Twin bias spring erector system. Waterproof/Fogproof.