Firefield FF13064: 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.