The Firefield Barrage 2.5-10x40 Riflescope is the ideal ready-for-anything optic, featuring a 55gr .223 bullet drop reticle with a knob for elevation adjustments out to 500 yards. 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, 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 get you on target and keep you there even in low light.