One of the earliest forms of flintlock musket used by the English Army was the "dog lock". Very similar to the snaphaunce it was the first to introduce the half-cocked position of the hammer. This made the gun much safer to handle and load. It was in use during the English Civil War and many found their way to the British North American colonies. Another name for the dog lock was the English lock, and the gun was a Swedish styled musket. Some of these have been found at Jamestown and Yorktown, Virginia by archaeologists.