This is a replica PKO red dot sight from WE Europe. This replica has been designed for use in airsoft. This sight is most commonly used with SVD rifles. It is full metal making it very durable. The brightness of the red dot can be adjusted. This sight has 1x magnification, making it ideal for many different airsoft situations. This sight also features a side mount rail to attach a red dot style sight onto your airsoft rifle. This sight includes a hard carry case for secure and safe transportation.