The HS503R is a small compact micro red dot optic that features Holosuns new Rheostat Dial to adjust brightness settings. Employing our LED technology The HS503R can achieve constant on battery life of up to 100000 hours on medium setting. This optic features Holosuns proprietary Multi-reticle System (MRS) giving the user 2 reticles to choose from. - New rotary control for faster operation and visual brightness indicator - Advanced technology LED allows up to 100000 hours of operation on one CR2032 battery - Unlimited field of view - Parallax-free with unlimited eye relief - Durable and reliable construction - Low mount and 1/3 Co-witness mount included - OPTICAL DATA - Light Source: LED - Reticle: 2MOA Dot & 65MOA Ring - Parallax Free: Yes - Unlimited Eye Relief: Yes - Magnification: 1x - Multi-Coatings: Yes - Integrated Laser: No - ELECTRONIC DATA - Battery Type: CR2032 - Battery Life: Up to 100000 Hours - Brightness Setting: 10 Daylight & 2 NV Compatible - MECHANICAL DATA - Housing Material: Aluminum - Surface Finish: MAO - Housing Color: Black - Adjustment per Click: 0.5 MOA - W&E Travel Range: 50 MOA - Storage Temperature: -40F - 158F - Working Temperature: -22F - 140F - Submersion: IP67 - Vibration: Up to 1000G - PHYSICAL DATA - Window Size: 20mm Diameter - Dimension (in): 2.75x1.43x1.62 - Weight (oz): 3.74 - Central Height (in): 1.63
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