Vortex Viper(R) Red Dot

Vortex ViperA(R) Red DotThe Viper red dot's super low mounting height makes it the perfect solution for handguns with cutout slides. Offers the simplicity and speed advantage of a red dot, while co-witnessing with suppressor-height iron sights.Battery Life: Up to 150 hours on highest setting. Up to 30,000 hours on lower settings.Features:Mount Type Weaver/PicatinnyMagnification 1xDot Color Bright RedDot Size 6 MOAEye Relief UnlimitedAdjustment Graduation 1 MOAMax Elevation Adjustment 120 MOAMax Windage Adjustment 120 MOAParallax Setting Parallax FreeLength 1.8 inchesWeight 1.03 ozIncluded:Weaver / Picatinny mountT-10 Torx wrenchCR 2032 batteryLens clothFlathead wrenchProtective coverOPTICAL FEATURESFully Multi-Coated Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.Unlimited Eye Relief Non-critical eye relief for rapid target acquisitionParallax Free All red dot and holographic sights will exhibit some small amount of parallax. Matching current industry practice, this small amount would be considered "parallax free" and will make a negligible difference in performance.RETICLE 6 MOA DOTThe daylight bright red dot is easy to see and paints targets regardless of lighting conditions or background.