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.Adj Size: .25 MOAMagnification: 2.5-10xObjective: 40mmField Of View: 34.86-11.53 ft @ 100 ydsEye Relief: 2.36"-2.17"Length: 8.07"Weight: 17.70 ozReticle: Black MatteParallax Adjustment: Illuminated Red/Green Mil-Dot (SFP)Parallax Adjustment: 100 ydsProofs: 16-4mmCoating Type: Waterproof Fogproof ShockproofOptic Coating: Fully Multi-Coated