Slightly used and in the factory box. The SIG SAUER ROMEO-MSR Red Dot Sight - SOR72001 is a lightweight, non-magnified dot sight designed for rifles and shotguns. It features a 2 MOA red dot reticle with brightness settings and a battery life of up to 20,000 hours. The sight is made of aluminum and has a fully multicoated lens coating. It is waterproof, shockproof, and fogproof. The sight mounts onto a Picatinny rail and is powered by a CR1632 battery.