Automatic FX-05 Xiuhcoatl, envelope from Call of Juarez: The Cartel. -The model is correctly positioned in the hands and has its own icon. Mexican submachine gun FX-05 Xiuhcoatl (Xiuhcoatl - lightning snake (Azt.), the symbol and tool of the Aztec god Huitzilopochtli - the god of war and patron of Mexico.), developed in 2005 for the Mexican army as a replacement for HK G3 assault rifles, adopted by armament in 2008. Almost an exact copy of the H&K G36, due to this "almost" H&K was unable to win the copying lawsuit filed by them in 2007