Gun that killed Billy the Kid sells for $6 million

The gun used by Sheriff Pat Garrett to kill Billy the Kid on July 14th, 1881, sold at auction Friday for $6,030,313. In brisk bidding from around the world, the Colt .44 revolver blew past the pre-sale estimate of $2-3 million to set a new auction sale record for a firearm. The six million dollar …