Crimson Trace : 01-00370 CT RAD™ MAX Co-Witness Mount
Full co-witness pic rail mount made from aerospace grade aluminum and tailored to fit the CT RAD™ MAX and CT RAD™ MAX Pro, it is also compatible with the CTS-1400. Combine your favorite CT Red Dot to get a full co-witness sight picture using this mount. The Mount fits most MILSPEC M1913 style Picatinny Rails.