Colt revolver n. (Firearms) A revolver made according to a system using a patented revolving cylinder, holding six cartridges, patented by Samuel Colt, an American inventor, in 1835. With various modifications, it was for many years been the standard for the United States army.
... officers' blouses, and well hidden, the Governor having warned us to take no arms of any description to Tampakan, for while money would have been no temptation to these people, they would not have hesitated long to kill one for a Krag rifle or a Colt revolver. ... — A Woman's Journey through the Philippines - On a Cable Ship that Linked Together the Strange Lands Seen En Route • Florence Kimball Russel