 The Colt Cobra is a lightweight, 21 oz aluminum-framed, 6-shot, double-action revolver most commonly produced with a 2" barrel, not to be confused with the Colt King Cobra.The Cobra is chambered for .38 Special, .38 S&W, .32 S&W Long, and .22 LR.It was sold by Colt from 1950 until 1981.