*[httphttps://web.archive.org/web/20090320152658/http://www.coltsmfg.com/cmci/downloads/Manuals/LoRes/MKIV%20Series%2080%20&%2090%20Pistols.pdf Official Safety and Instruction Manual] (.pdf) (Archived from [http://www.coltsmfg.com/cmci/downloads/Manuals/LoRes/MKIV%20Series%2080%20&%2090%20Pistols.pdf original])