As New Colt New Frontier Single Action Revolver, Caliber .22 long rifle convertible to .22 Magnum with an extra cylinder which is included. This model is a small caliber clone of the famous Colt Single Action Army revolver, "The gun that won the West" with the exception that it has a larger front sight and an adjustable rear sight. 100% blue. 100% brilliant case colors. Perfect bore and plastic grips. 5 1/2" barrel Serial number L15821. Note: Only one year of manufacture had a number with the "L" suffix: 1974. Probably unfired.