AR-15 A2 Detachable Rear Sight

The NcSTAR AR-15 Detachable Rear Sight is a versatile and adjustable rear sight designed to fit most AR-15, M4, and M16 flattop Picatinny rail upper receivers. Here are some key features and specifications: Compatibility: This rear sight is compatible with a wide range of AR-15, M4, and M16 rifles that have Picatinny rail upper receivers. It's designed to fit securely on the rail. Adjustability: The rear sight is fully adjustable for both windage and elevation, allowing you to fine-tune your aiming point. This adjustability is essential for achieving accurate shots. Dual Apertures: The sight features dual apertures, providing you with options for different shooting scenarios. You can choose the aperture that best suits your needs. Secure Attachment: It comes with a large steel thumb nut and steel rail clamp for a positive and secure attachment to your upper receiver. This ensures that the sight remains in place during use. Compact Design: The rear sight is designed to be compact,