The Sightmark Wolverine CSR Red Dot Sight is a brand new, high-quality optic designed for use with shotguns and rifles. It features a durable aluminum construction and a waterproof design, making it ideal for use in harsh outdoor conditions. The sight is powered by a battery and features a MOA dot reticle in red or green. It mounts easily to any Picatinny rail and is perfect for hunting or target shooting.