Mount a 1/4-20 accessory onto your NATO rail with this PMG Aluminum CNC Machined NATO Clamp. This clamp is designed as part of the NATO system to quickly allow you to access and remove accessories onto your camera / video rig. This CN30 NATO clamp is designed to have the 1/4-20 threaded adapter come in from underneath, mount flush underneath and allow access to the male threads on top. Additional models are available to accommodate items that wish to be screwed into the NATO clamp as well as 3/8-16 versions. The NATO clamp features a standard 30mm width and will work with similar type NATO rails like RED Swat rails, Zacuto Z-rails, Wooden Camera and other 3rd party NATO products.