From close to mid-range, the Firefield Barrage riflescope is the ideal ready-for-anything optic. Built reliable for the long haul, IPX4 waterproof Barrage riflescopes boast an aircraft-grade 6061-T6 black aluminum tube and a 2-piece mount. It useful reticle includes bullet drop compensation out to 500 yards. While they're designed to handle your toughest engagements, it's the Barrage's fully multi-coated AR green scratch-resistant, anti-reflective glass, precision illuminated red/green Mil-Dot reticle, and 100-hr battery life that gets you on target and keeps you there even in low light. This model has a 2.5-10x40mm magnification.From close quarter missions to engaging mid-range targets, the Firefield Barrage 2.5-10x40 riflescope is the ideal ready-for-anything optic, featuring a 55 grain .223 bullet drop reticle with a knob for elevation adjustments out to 500 yd. Built reliable for the long haul, IPX4 waterproof Barrage Riflescopes boast an aircraft-grade 6061-T6 black anodized aluminum tube and 2-piece mount design. While Barrage Riflescopes are deigned to handle your toughest engagements, its the Barrages fully multi-coated AR green scratch-resistant, anti-reflective glass, precision illuminated red/green Mil-Dot reticle and 100 hr battery life that get you on target and keep you there even in low light. Feature: 2-piece mount Precision windage and elevation adjustments Reliable IPX4 waterproof design Long lasting 100 hr battery life +/-2 diopter adjustment Fully multi-coated lenses Glass lens 0.308 maximum recoil Weaver or picatinny type mount Parallax free at 100 yd 0 to 5 reticle brightness setting Nitrogen filled Sunshade included