Pick up a Mark 5HD? and you?ll feel the difference: it?s up to 20 ounces lighter than other scopes in its class. Get behind one and you?ll see the difference, from the superior edge-to-edge clarity and extreme low-light performance, to the versatility of the Combat Competition Hunter reticle. With three revolutions of elevation adjustment, the Mark 5HD was built to max out the performance of the latest long-range rifles and ammo. Ergonomically designed with more tactile, audible click adjustments, larger numbers, and a high-speed throw lever so you can put accurate fire downrange faster.Front Focal Illuminated TMR ReticleExpands on existing Mil Dot reticle designUtilizes hash marks instead of dots for increased ranging and hold-over precisionProvides aiming points for both wind and bullet drop compensation1 MIL is approximately 3.6 inches at 100 yardsHash marks are spaced .5 MILs apart, transitioning to .2 MIL spacing on the outer edgesRed illuminated center section for great contrast in low-light conditionsNon-caliber specificIntended to be used on highest magnification in a rear or 2nd focal plane scopeMil based systems are the current military standardScope Features1/10th MIL Click Adjustment100% Waterproof and Fogproof2nd Generation Argon/Krypton Waterproofing35mm Maintube5:1 Zoom Ratio6061-T6 Aircraft Quality AluminumDial Illumination ControlDual UseFlip Open Lens CoversFront Focal Plane (FFP)Generous EyeboxM5C3 ZeroLock AdjustmentsSide FocusTwilight Max HD Light Management SystemThrow Lever