Nikon

BDC Carbine Reticle: Developed specifically for the trajectory of the .223 Rem/5.56 NATO round with 55-grain polymer tip bullet the new BDC Carbine reticle provides a 200 yard crosshair with hash marks at 400 yards and 600 yards. - 100-yard Parallax Setting: Eliminates parallax for precise shooting. Precise 1/2 Hand-turn Tactical-Style Turrets: Positive click reticle adjustments get you zeroed in quicker and maintain your settingeven with repeated recoil. - Waterproof/Fogproof: Nitrogen filled and O-ring sealed. - Fully Multicoated Optical System: Provides up to 98% light transmission and maximum brightness from dawn to dusk. - Generous Consistent Eye Relief: Keeps your brow safeeven with the heaviest recoiling cartridges lightweight rifles and severe shooting angles. - Zero-Reset Turret Feature: To simplify field adjustments Nikon has integrated this feature into all new riflescopes. Just sight-in as usual then lift the spring-loaded adjustment knob rotate to your zero and reengage. Field adjustments are now as simple as dialing-in your subsequent ranges. - Magnification: 3x - Objective Diameter: 32mm - Exit Pupil: 10.7mm - Field of View: 35.6 ft @ 100 yds - Tube Diameter: 1 in - Eye Relief: 3.4in - Objective Outside Diameter: 39.3mm - Eyepiece Outside Diameter: 41mm - Weight: 12.2 oz - Overall Length: 8.1 in - Adjustment Graduation: 1/2 in - Max Internal Adjustment: 100 MOA - Parallax Setting: 100 yds - Waterproof/Fogproof: Yes - Matte Finish: Yes - Reticle: BDC Carbine - Use: Centerfire Short/Mid Range AR (Modern Sporting Rifle)