Hawke Endurance Red dot sight, 30 mm

Cool Reddotsight from Hawke Sport Optics. The Reddotsight has a small colored dot which light up in 11 different intensities. 

It has a 25 layer multi-coated lense to ensure great visibility. just like most other sights it is obviously waterproof, fog proof quite durable and filled with nitrogen

It comes with rail for airsoft.