Check the listing for details. Burris Fastfire III Red Dot Reflex 3 MOA Sight, Picatinny Mount (Black) - 300234. Color: Black, Condition: New. Listed at 159.59 USD. Burris Fastfire III Red Dot Reflex 3 MOA Sight, Picatinny Mount (Black) - 300234 Features The FastFire III Reflex Sight from Burris Optics features a 3-MOA red aiming dot, which is big enough to see in the daylight but won't obstruct small varmints. Three brightness levels lets you set it to your preference, or switch it to auto and the light sensor will detect the amount of available light and adjust the brightness itself. The FastFire III is made of aluminum with a matte-black anodized finish, and is waterproof and submersible. This sight comes with a Picatinny/Weaver rail mount, and mounts for a variety of rifles and pistols are also available that allow you to move the FastFire to other firearms.Optical Performance 1x magnification0.8 x 0.6" objective lens windowFully coated optics for increased light transmissionUse and Handling 3-MOA red dot with three intensity levels and an automatic brightness mode1 MOA impact point correction, 30 MOA per rotation travel±90 MOA windage and elevation adjustment rangeParallax-free from 10 to 150 ydConstruction Details Aluminum housingMatte-black corrosion and scratch-resistant anodized finishTop-loading battery compartment enables battery changes without removing the sightIncluded Picatinny/Weaver rail mountWaterproof and submersible Magnification1xObjective Lens Diameter0.8 x 0.6" (21 x 15 mm)Field of ViewUnlimitedExit Pupil DiameterUnlimitedMounting SystemPicatinny/WeaverImpact Point Correction1 MOA per clickMaximum Windage/Elevation Adjustment±90 MOAWeatherproofingWaterproof, submersibleBattery / Runtime1 x CR 1632 Lithium / Not specified by manufacturerOperating Temperature-10 to 130°F (-25 to 55°C)Dimensions1.9 x 1.0 x 1.0" (48.2 x 25.4 x 25.4 mm)Weight0.9 oz (25 g)