Flintlock
Duelling pistols - While not a specific gun it was a type of flintlock weapon. Duelling pistols were made in matched pairs and usually were in a case. They were often an ornate and highly decorated gun intended to be used in a duel. Until the 19th century most were single-shot flintlock pistols. Like other flintlock pistols, there is a noticeable delay between pulling the trigger and the gun firing.