The Holosun 403C is a 20mm micro optical sight designed for rifle and carbine applications. It features a Solar Failsafe, 12 brightness settings, Holosun’s Red Super LED, of which you can expect up to 50,000 hours of battery life and the reticle is a 2 MOA dot. The packaging conveniently includes a low profile mount, rubber cover for both sides of the lens, user manual, lens cloth and one CR2032 Battery. Per click, the adjustment is 0.5 MOA. With an overall height of 2.70” and reticle height of 1.63” you can comfortably use this optic straight out of the box without needing to buy an aftermarket mount which you’d need if you bought an Aimpoint T1 or T2. This 1x red dot sight is parallax-free, has unlimited eye relief and is also NV compatible.