The HS503R is a 20mm micro optical sight made of 6061-T6 aluminum for rifle and carbine applications. Features include HolosunÂ’s Rotary Switch, 12 brightness settings, the Super LED with up to 100k hours of battery life, and the Multi-Reticle System with 2 MOA dot and 2 MOA dot + 65 MOA circle options. IP67 waterproof rated and weighs 3.74 oz. Includes a lower 1/3 cowitness mount, low profile mount, T10 L key, rubber cover, cloth, manual, and CR2032 battery.
