Offering a wide magnification range for close to mid-range shooting, the Presidio 2.5-15x50 HDR2 Riflescope combines elite performance with a sleek, stealthy appearance. Designed for hunters, the Presidio 2.5-15x50 features a second focal plane BDC reticle calibrated for 55gr 5.56/.223, a red illuminated reticle for low light shooting and fully multi-coated optics. Its capped, low-profile turrets produce clear, audible clicks and feature aggressive exterior ‘knurling’, to add a distinct tactile feel to give shooters greater confidence when adjusting their windage and elevation. With built-in zero stops, and a single-piece, 30mm tube and aircraft grade aluminum construction, the Presidio is extremely accurate and durable. IP67 waterproof and dust-proof, the Presidio is ideal for a variety of firearms, including ARs and bolt actions rifles. The Presidio 2.5-15x50 HDR2 Riflescope includes a flip-up lens caps, a handy throw lever and one CR2032 battery. Product Downloads: Product Manual (PDF Download) 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 Quantity: 1 Specifications Reticle HDR-2 Reticle type Etched Glass Illuminated (yes/no) Yes Reticle color Red Reticle brightness settings 0-6 with off between each Magnification (x) 2.5-15x Objective lens diameter (mm) 50 Eyepiece diameter (in/mm) 1.48 in. / 37.5 mm Exit pupil diameter (mm) 18 - 3.3 Eye relief (in/mm) 3.7 in. / 94.0 mm Field of view (m @100m) 13.4 - 2.3 Field of view (ft. @100yd) 44.1 - 7.33 Diopter adjustment (+/-) +2 / -2 Tube diameter (in/mm) 1.18 in. / 30mm Parallax setting (yds.) 10 yds - 8 Adjustment value (one click =) 1/4 MOA Windage adjustment range 90 MOA Elevation adjustment range 90 MOA Windage & Elevation lock (yes/no) No Maximum caliber .338 Battery type CR2032 Battery life (hours) Highest: 80 hrs continuous; Lowest: 1000 hrs continuous Battery voltage (V) 3V Sunshade (yes/no) No Nitrogen filled (yes/no) Yes Shockproof (yes/no) Yes Fogproof (yes/no) Yes Focal plane Second IP Standard (water rating) IP67 - waterproof to 1m/3ft for 1 hour Finish/color Matte Black Body material Aluminum Lens Coatings Fully multi-coated Operating temperature (°F/°C) -4°-149° F / -20° - 65° C Length (in/mm) 12.52 in. / 318 mm Width (in/mm) 3.46 in. / 88 mm Height (in/mm) 2.31 in. / 58.8 Weight (oz.) 26.3 oz