Page 46 of the pre-Columbian Codex Borgia depicts four smoking Xiuhcoatl serpents arranged around a burning turquoise mirror.
The FX-05 "Xiuhcoatl" (FX-05 "Fire Snake", literally "Turquoise-Serpent" in Classical Nahuatl) is a Mexican assault rifle, designed and built by the Dirección General de Industria Militar del Ejército (Directorate General of the Army Military Industry).