Crafted from robust 6061-T6 aluminum with a MilSpec hardcoat anodized finish this sight set offers exceptional durability for your AR-15 platform. Designed for seamless integration with Picatinny rails these flip-up sights lock securely in both deployed and folded positions ensuring reliability during use. The front sight features an HK configuration while the A2 rear sight includes a dual aperture system allowing for quick transitions between large and small apertures. With adjustable elevation and windage these sights provide precise targeting adjustments. The concealed spring mechanism enhances durability and prevents dirt fouling making it a reliable choice for various shooting environments. Ideal for M4 cowitness height this sight set is not compatible with lower height gas block rails.