The Quick Deploy Sight System features an automatic deploy system that springs the sight up with the push of a button. Both front and rear sights lock positively in the folded and deployed positions and are made from aircraft quality aluminum and hardcoated to military specifications. The rear sight features a dual peep aperture. The front sight mounts on the same plane as the rear and uses standard hardware. This model features the standard stem. When folded the front and rear sights measure just .435 inches from the rail.