Colt Single Action Army Second Generation in 45 Colt with 4.75-inch barrel — the postwar reintroduction that satisfied demand from Western TV and movie fans. Type: Revolver Action: Single-Action Caliber: 45 Colt Capacity: 6 Year introduced: 1956, USA Weight: 37 oz Overall length: 10.25" Status: Discontinued Intended use: collecting, cowboy action