<P> In the early days of firearms manufacturing, individual craftsmen made individual components one at a time . One craftsman made the "lock" which would have been a "match lock", "wheel lock", "flint lock" etc . The next craftsman made the barrel, and the last craftsman, who was a woodworker made the stock . At some point, a craftsman or a merchant started advertising "Lock Stock and Barrel" meaning that you could get your entire gun at one location and did not have to go from craftsman to craftsman to get it finished . </P> <P> Lock Stock & Barrel is a book dealing with the restoration and repair of antique firearms, in two volumes . </P> <P> Lock, stock, and barrel is also referenced in the title of the British crime film Lock, Stock and Two Smoking Barrels (1998), as well as in the TV film Lock, Stock and Barrel (1971). </P> <P> Officer Lockstock and Officer Barrel are two characters from Urinetown: the Musical . Another musical that used it was the animated musical The Nightmare Before Christmas by Tim Burton featured three infamous children, the' Trick or Treaters' ' Lock',' Shock' and' Barrel' . </P>

Where does the expression lock stock and barrel come from