• Shockproof and water resistant, the red dot can hold the recoil and keep zero well
• This red dot was engineered to co-witness with iron sights
• Come with cantilever mount which fits for 20 mm rail, the red dot sight is easy to install
• 5 illumination intensity, red or green dot sight, you could select different type to meet your need
• The red dot sight is equipped with removable, spring loaded flip lens cover