Color: Black 30mm Sight Mount: Optics cantilever sight mount is designed for 30mm diameter sights to ensure a perfect fit and improve shooting accuracy Suitable for Picatinny rail: This installation is compatible with all rifles equipped with Picatinny rail, making it an ideal choice for a wide range of firearms, making it easy for users to quickly install and remove Plum Screw Design: The use of strong plum screws allows for precise tightening, preventing peeling, and enhancing the stability and safety of installation Reliable and Durable: Made of high-quality steel, this cantilever installation provides excellent strength and wear resistance, ensuring long-term use in various environments without damage Hollow Design: The unique hollow design not only reduces the overall weight, but also increases the beauty of the visual effect, making your equipment more attractive.