The SIG Sauer ROMEO8T Red Dot Sight features a fully enclosed design with a removable titanium shroud is designed for modern sporting rifles and shotguns and features multiple reticles, so you can choose the right one for your application. The housing itself is machined from 7075-T6 aluminum and hardcoat anodized FDE making this an extremely durable red dot optic that can hold up to heavy use. The fully enclosed design prevents dirt, debris, and water from getting to the electronics. Additionally, it is Nitrogen purged to prevent the ultra-clear glass from fogging under temperature changes. The efficient red illuminator can last up to 100,000 hours on a single CR123A battery that is side loaded to prevent you from having to remove the optic to change batteries. The SIG ROMEO8T Red Dot Sight comes with an integrated picatinny rail mount that is 1.535” high.