Fits Picatinny and Weaver raiils
30mm Tube Diameter
DNZ Products has developed this set of rings specifically for the AR-15 class of rifle. It is manufactured as a single unit, including the base and rings. Made of Aircraft Aluminum for weight, it secures to the flat top of the rifle or to the Picatinny rail. These Unitary rings are much more solid than the typical ring and base combination.