The most popular Colt revolver of the 19th century by volume, with over 325,000 produced. The small pocket revolver was the everyday carry gun of the Gold Rush era and the Civil War years. Type: Revolver Action: Single-Action Caliber: 31 Cal Capacity: 5 Year introduced: 1849, USA Weight: 24 oz Overall length: 9" Status: Discontinued Intended use: Self-Defense, Concealed Carry