A tough polymer compact red-dot built for EDC and Single-stack Pistols. Improved strengthened polymer from that of the Original SMS, the SMSc is the compact version on an updated classic. The SMSc is built in a nylon glass filled polymer and a new deluxe glass lens for extra scratch resilience to the daily wear and tear of shooting. Its iconic design still allows shooters to co-witness with standard iron sights thanks to its incredibly low profile and unobtrusive design with rear iron sight notch. It carries on Shields philosophy to make its users better shooters by eliminating what is not needed and providing the shooter with just one point of focus. They dont have a large sight housing blocking vision, dimmed lenses, buttons to switch or backup sights blocking the view. They make their sights to fit as close to the bore-line as possible, where a trained shooter is naturally going to present their pistol allowing for a seamless transition and a familiar but improved shooting experience. Shield sights are made by shooters for shooters.Features :Scratch-Resistant Ultra Clear Glass Lens4 MOA DotCompatible With Night Vision