Holosun HS503CU Multi-Reticle System Enclosed Red Dot w/ Buttons

The HS503CU is a 20mm micro sight designed for rifle and carbine applications. HS503CU features Holosun’s Solar Failsafe technology and our Multi-Reticle System (MRS) which includes a 2MOA dot and a 65 MOA Circle. Holosun’s Red Super LED allows for up to 50k hour battery life with 10 daylight and 2 night vision compatible reticle intensity settings. The HS503CU housing is made from 6061 aluminum and includes both a lower 1/3 co-witness mount (1.63”) and a low mount (.75”) for low-comb height rifle applications. Additional features include Shake Awake technology, rubber lens covers, and a side battery for the 2032 battery. HS503CU is a versatile sight for users of all levels.   In the Box Lower 1/3 Cowitness Mount Low Profile Mount T10 L Key Rubber Cover User Manual CR2032 Battery Lens Cloth OPTICAL SPECS Reticle 2 MOA Dot & 65 MOA Circle Light Wavelength 650nm Reticle Color Red Parallax Free Yes Unlimited Eye Relief Yes Magnification 1x Multi-Coatings Yes ELECTRONIC SPECS Power Source Solar & Battery Battery Type CR2032 Battery Life (Hours) 50000 Brightness Setting 10 DL&2 NV PHYSICAL SPECS Window Size 20mm Diameter Dimension (in) 2.6×1.43×1.6 Weight (oz) 3 MECHANICAL SPECS Housing Material 6061 T6 Aluminum Surface Finish MAO Adjustment per Click 0.5 MOA W&E Travel Range ±50 MOA ENVIRONMENT SPECS Storage Temperature -40℃~70℃ Working Temperature -30℃~60℃ Submersion IP67 Vibration 1000G