From close quarter to mid-range engagements the Firefield Barrage 2.5-10x40 Riflescope with Red Laser is the ideal ready-for-anything optic. 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. All Barrage optics feature a bullet drop compensation reticle for 55 gr .223 ammunition with quick elevation adjustments out to 500 yards. 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 5mW 532nm Class IIIA red laser illuminated red/green Mil-Dot reticle and 100-hr battery life that get you on target and keep you there even in low light. - 2 piece mount - 2.5-10x variable magnification - Mil-dot reticle - Red/green reticle illumination - 5mW 532nm Class IIIA red laser - Precision windage and elevation adjustments - Reliable IPX4 waterproof design - Long-lasting 100-hr. battery life - Battery life hours:16 - Battery life hours:100 - Battery Type:CR2032 - Battery Type:2xAG13 - Battery Voltage V:3 - Battery Voltage V:3 - Body Material:Aluminum - Diameter Exit Pupil:2.36-2.17 / 60-55 - Diameter Eyepiece:.90/23in/mm - Diameter Objective Lens:40mm - Diopter Adjustment:+2 to -2 - Dot Size in. @ 100yds:1 - Elevation Range of Adjustment:110 - Field of view ft@100yd:34.86-11.53 - Field of view m@100m:11.6-3.8 - Finish/Color:Matte black - Focal Plane:Second - Fog Proof:Yes - Height (in/mm):3.35/85 - Illuminated (yes/no):Yes - IP Standard:IPX4-weatherproof - Laser Power Output: