SAX-200 Xiuhcoatl
The SAX-200 Xiuhcóatl (SAX is an acronym for "Subametralladora Automática Xiuhcóatl" or Xiuhcoatl Automatic Submachine-gun) is a 5.56×45mm NATO carbine for exclusive use by the Mexican Army and Air Force developed by the Centro de Investigación Aplicada y Desarrollo Tecnológico de la Industria Militar and produced by Dirección General de Industria Militar. == Design and development == It begins to be developed at the end of 2018 to have a nationally manufactured substitute for the MP-5 submachine gun and that it can be used by generals, chiefs and officers of the Army and the Air Force.