BDC 600 Reticle: Developed specifically for the trajectory of the .223 Rem 5.56 NATO round with 55-grain polymer tip bullet the new BDC 600 reticle offers shooters unique open circle aiming points and hash marks from 100 to 600 yards. Eye Box Technology: Every model features an impressive 4-time zoom range and four inches of constant non-critical eye relief. A massive ocular lens delivers a huge exceptionally bright high-resolution sight picture. Waterproof Fogproof Shockproof: Nitrogen-filled and O-ring sealed. Ultra ClearCoat Optical System: Nikon has engineered the entire optical system to provide the shooter with a bright sharp incredibly flat sight picture and light transmission up to its theoretical maximum95%. One-piece Main Body Tubes: For minimum weight and maximum strength and durability. Magnification: 4-16x - Objective Diameter: 42mm - Exit Pupil: 2.6-10.5mm - Field of View: 6.3-25.2 ft @ 100 yds - Tube Diameter: 1 in - Eye Relief: 3.7-4in - Objective Outside Diameter: 49.3mm - Eyepiece Outside Diameter: 42mm - Weight: 19 oz - Overall Length: 13.5 in - Adjustment Graduation: 1/4 in - Max Internal Adjustment: 40 MOA - Parallax Setting: 50 yds - Infinity - Side Focus: Yes - Waterproof/Fogproof: Yes - Light Transmission: Up to 95% - Spot On Custom - Turret: Yes - Parallax Adjustment: Yes - Matte Finish: Yes - Use: Centerfire Long Range AR (Modern Sporting Rifle) - Reticle: BDC 600
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