The Troy Industries manual folding front/rear sight set is the perfect addition to your next AR-15 rifle or build. This extremely durable sight set is constructed from high quality aluminum and features a tough matte black finish. The front sight is styled after HK style front sight post with a classic curved look. The rear sight is a standard round rear sight and features two aperture's for day and night shooting. Features and Specifications: Manufacturer Number: SSIG45SHRBT Troy Industries Offset Folding Sight Set SSIG-45S-HRBT-00 Manual Folding Front Sight Manual Folding Rear Sight Same plane, offset mounts Front sight features HK styling Rear sight with dual aperture Aluminum Attaches to picatinny rail Color: Matte Black finish