- 2 MOA Dot Reticle
- Up to 50,000 Hours Battery Life (Setting 6)
- 12 Brightness Setting: 10 DL & 2 NV Compatible
- Convenient Tray Battery Compartment
- Parallax-free & Unlimited Eye Relief
The HS403B is a 20mm micro optical sight designed for rifle and carbine applications. Features include 12 brightness settings, Holosun’s Super LED with up to 50K hour battery life, and 2 MOA Dot. Includes lower 1/3 co-witness and low profile mounts.