Delivering flawless short- to medium-range shots on an AR platform, the Sightmark? Wolfhound 3x24 Prismatic Weapon Sight is ideal for a variety of challenging shooting situations including 3-gun competitions, hunting and law enforcement applications. The Wolfhound 3x24 Sight is a military-inspired, fast-paced optical device featuring longer than average eye relief and an advanced horseshoe dot reticle that¡¯s ballistically matched to .223, 55 and 62 grain with holdovers from 300 to 900 yards. Its fixed power keeps the object in focus at 10 yards or more. Compact enough to not weigh down the rifle, but durable enough to shield from impact, the device includes a built-in aluminum Picatinny mount and rubber armor finish. Fully submergible, the Wolfhound 3x24 Sight is 100% waterproof, dust proof and shock proof. Reticle Type HS-223 Reticle Color Red/Green Illuminated Reticle yes Brightness Setting 5 Finish/Color Matte black Magnification 3 x Objective Lens Diameter 24 mm Eyepiece Diameter 27 mm Exit Pupil Diameter 8 mm Eye Relief 2.83 / 72 in/mm Field of View 10.48 m @100m Field of View 31.6 ft @100yd Field of View 6 degree Diopter Adjustment +3 to -3 Parallax Setting 100 yds Windage Range of Adjustment 160 MOA Elevation Range of Adjustment 160 MOA Windage & Elevation Lock no MOA Adjustment 1/2 MOA Maximum Recoil 800 g's Battery Type CR2032 Battery Life (high) 200 - (low) 4000 hours Battery Voltage 3 V Sunshade no Nitrogen Purged yes Shockproof yes Fog Proof yes IP Standard IP68 (submergible to 3m) Body Material Aluminum - 6061 / Rubber Lens material glass Lens Coating Fully multicoated AR green Mount Type Picatinny Operating Temp,¡ãF/¡ãC -40 to 122 / -40 to 50 F/C Length 5.9 / 150 in/mm Width 2.8 / 72 in/mm Height 3 / 77 in/mm Weight 17.2 oz Only For Hong Kong Local Customer.