Story of Colt .44

As mentioned in the goofs, the Colt .45 did not exist in 1851, which was when this movie was set. Here is a link to a story about Colt's first pistol sold to the government and used in the Mexican-American War:

http://www.history.com/this-day-in-history/colt-sells-his-first-revolv ers-to-the-us-government

Nobody gets to be a cowboy forever.