Description Sightmark’s Presidio 5-30x56 HDR-2 Illuminated Reticle is a sleek and accurate mid to long-range hunting scope. It features a second focal plane BDC reticle calibrated for 5.56/.223, and an illuminated reticle for low visibility shooting. Its aircraft grade aluminum construction and built-in zero stops ensure that it will be both reliable and accurate. The Presidio 5-30x56 HDR-2 Illuminated Reticle is a great choice for both AR platforms and bolt action rifles and would be an excellent addition to the collection of any shooter. Features: BDC reticle calibrated for .223 55gr 6:1 zoom ratio Capped, tactile, low-profile turrets Second focal plane reticle Red illuminated reticle Single-piece 30mm tube Aircraft-grade Aluminum Shockproof IP67-Rated dustproof and waterproof Included in Package: Flip up lens covers Throw lever attachment Batteries Used: CR2032 Lens cloth Specifications Reticle type HDR2 Reticle Etched glass Reticle color Red Illuminated (yes/no) Yes Reticle brightness settings 0-6 Magnification (x) 5-30 Objective lens diameter (mm) 56 Eyepiece diameter (in/mm) 1.73 in / 44 mm Exit pupil diameter (mm) 11.2 mm - 1.86 mm Eye relief (in/mm) 3.7 in. / 94 mm Field of view (m @100m) 7.33m - 1.23m Field of view (ft @100yd) 22ft - 3.7ft Diopter adjustment (+/-) +2/-2 Tube diameter (mm/in) 30 / 1.18 Parallax setting (yds) 20 - 8 Click adjustment (one click =) 1/4 MOA Windage adjustment range (MOA) 60 Elevation adjustment range (MOA) 60 Windage & Elevation lock (yes/no) No Maximum caliber .338 Battery type CR2032 Battery life (hours) 80 - 1000 hrs Battery voltage (V) 3 Sunshade (yes/no) No Nitrogen filled (yes/no) Yes Shockproof (yes/no) Yes Fog proof (yes/no) Yes Focal plane 2nd IP Standard (water rating) IP67 - waterproof and dustproof Body material Aluminum Finish/color Matte black Lens coatings Fully multi-coated Operating temperature (°F/°C) -4°-149° F / -20° - 65° C Length (in/mm) 15.67 in. / 398.02 mm Width (in/mm) 3.79 in. / 96.25 mm Height (in/mm) 3.02 in. / 76.71 mm Weight (oz) 33 oz