The Yankee Hill Q.D.S. Folding Sight Set is a precision-engineered accessory for your AR-15 platform crafted from durable aircraft-grade aluminum with a sleek black hardcoat anodized finish. Designed for versatility this folding backup sight set features a hooded stem and an automatic deploy system that allows the sights to spring into action with a simple button press. Both the front and rear sights lock securely in both folded and deployed positions ensuring reliability in any situation. When not in use the sights fold compactly to just 0.435 inches from the rail maintaining a low profile. This sight set is ideal for those seeking a dependable easy-to-use solution for their shooting needs.