Holosun

The HS403B is a 20mm micro optical sight designed for rifle and carbine applications. Features include 12 brightness settings- 10 daylight & 2 night vision; Holosun's Green Super LED with up to 50k hours battery life; parallax free and unlimited eye relief; 2 MOA Dot. Includes lower 1/3 Co-witness mount, low profile mount, lens cloth, CR2032 battery, rubber cover, T10 L Key and user manual.