CISNO Tactical Cantilever Integrated Dual Rings 30MM/1''(25.4MM) Scope QR Quick Release Mount Holder for Rifle Picatinny Rail Fit for 1''(25.4 mm)/30mm scope Interchangeable top caps offering versatility for all of your applications Riser Mount for Rifles with Picatinny/Weaver Rail Quick Release mount, easy to operate This mount provides 2" of forward scope positioning on the .223 flat top platform.