Sightmark Ultra Shot M-Spec FMS Reflex Sight

Features:Reticle, Type:65 MOA Circle Dot Crosshair (60 MOA circle w/ 5 MOA subtension, 2 MOA central dot)Reticle, Color:RedReticle Brightness Setting:Off, 1-10, NVObjective overall dimension (mm):33x24 mmMagnification:1Eye relief (in/mm):UnlimitedElevation Range of Adjustment:120 MOAWindage & Elevation. adjustment range, mm:120 MOAAdjustment Value:1 MOAParallax Setting:10 / 9.1 yd/mFinish/Color:Matte blackBody Material:Magnesium alloyMaximum Recoil:.50 BMG Max caliberIP Rating (waterproof):IP68 - waterproof to 40ft/12mNitrogen Filled:NoFog Proof:NoShock-proofness:Yes, 8ft / 2.4mLens Coating:AR redBattery Type:CR123AMount Type:PicatinnyBattery Life:200-2,000 HoursBattery Voltage, V:3 VOperating temperature, F/C:-22 to 160 / -30 to 71 F/CLength (in/mm):4.01 / 102 in/mmWidth (in/mm):1.85 / 47 in/mmHeight (in/mm):2.32 / 59 in/mmWeight, oz:9.6 oz.