The HE403B-GR is a 20mm micro optical sight designed for rifle and carbine applications. Features include 12 brightness settings, Holosun’s Green Super LED with up to 50k hours battery life, and 2 MOA Dot. 2 MOA Green 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
