The HS403C is a 20mm micro optical sight designed for rifle and carbine applications. Features include Solar Failsafe, 12 brightness settings, Holosun’s Green Super LED with up to 50k hour battery life, and 2 MOA Dot.
 
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