The AR-536 is a compact, fast-acquisition optic designed for lawmen, military personnel, and competitive shooters who want additional range.The rotary, 10-position power selector allows quick changes from red to green powered reticle, or clear, crisp black reticle when power is off.With five red and five green power levels, all lighting conditions can be quickly matched. A CR2032 battery powers the reticle.Picatinny rails allow piggybacking of additional sights, lasers or lights. And the Burris Forever Warranty backs the entire, rugged design.Circular center provides ultra-fast engagement at close distancesThe smaller reticle dots provide trajectory compensation out to 600 yds. for 5.56 and 7.62 cartridgesThree reticle color settings: red, green, and blackIlluminated reticle: 5 red and 5 green illuminated settingsThe illuminated reticle reduces time to get on target in any lighting condition and dramatically increases accuracy in darknessRotary illumination control dials between 10 settings, to easily match any lighting conditionReticle?s black color setting is available even without battery powerFixed 5x magnification36 mm objective delivers bright, crisp imagesIndex-matched, Hi-Lume(R) multicoating aids in low-light performance and glare elimination; makes more shots possible and increases your success rateRugged construction withstands recoil, abuse, and all types of weatherIntegrated lens covers for extra protectionAdjustable diopter allows shooter to control focus for crisp imagesThree Picatinny rail mounting points provide stable, secure accessories mountingWith the bottom rail mount removed, the optic can be mounted to an AR carry handleWindage and elevation caps are tethered to prevent lossWaterproofNitrogen-filled body tubes prevent internal fogging in the cold and rainPrecision-gauged, hand-fitted internal assemblies maintain a consistent point of impact throughout magnification range, regardless of shock and vibrationComes with our Burris Forever WarrantyBLEMISHED products may or may not include accessories.