Ready your rifles with a versatile mark 4hd.We took the performance of its predecessors and gave it a slimmer maintube that's been packed full of professional-grade features.The mark 4hd provides you with an accurate and reliable option for close-quarter engagements, long-range dominance and everything in between.They're available with a three-turn elevation dial for unmatched confidence at extreme distances, a precise zerolock windage adjustment that wont budge when knocked around, and a side focus that delivers tack-sharp images as close as 25 yards.M5c3 elevation adjustment type.Magnification: 4.5-18xObjective: 52mmField Of View: 23.10 - 5.20 ft @ 100 ydsEye Relief: 3.60" - 3.90"Tube Diameter: 34mmLength: 14.60"Weight: 27.50 ozReticle: FFP PR2 MILParallax Adjustment: Side FocusProofs: Fog Proof/Shockproof/Waterproof