The Sightmark Tactical 30mm/1 inch Cantilever Mount delivers a rock-solid mount for your riflescope for better performance in any competition, hunting, and even law enforcement environment. Featuring six different mounts, the Sightmark Cantilever Fixed Mount is available in 30mm fixed, 30mm LQD, 30mm fixed w/20MOA, 34mm fixed, 34mm LQD, and 34mm w with 20 MOA. The cantilever family of fixed mounts all feature an aircraft grade aluminum for a durable body and coated with a matte black, non-reflective to help reduce glare when using your riflescope.