The Colt

The Colt is a revolver that was discovered when the Winchesters destroyed a vampire nest. It was made by Samuel Colt during the siege of the Alamo, and use as well as legend say that it posesses the power to kill anything- be it Demon, vampire, shifter, anyhing. It is embellished with pentagrams and other counter-demonic symbols.

Timeline: Dead Man's Blood: Is found, and used to kill a vampire. At the end of Season 1, John Winchester exchanges himself and the Colt to save Dean's life. Season 2: Used to kill several demons and Yellow-Eyes; is discovered to be a key into Hell. Season 3: Bobby reconstructs the Colt.