The lock stamped with the name "Ketland" was also found on many American "Kentucky" rifles.
"In 1795 the United States ordered 3,000 musket size and rifle-pistol size locks from John Ketland these were issued out to various contractors to build muskets, rifles and pistols, for the Government."
From the mid-1700's through the mid-1800's, three generations of the Ketland family were heavily involved in the North American gun trade. The Ketland gun-making dynasty as started by Thomas Ketland who lived from around 1740 to 1816. . Thomas Ketland was a Birmingham, England gun maker however, the Ketland name is not associated with North American gun market because of the craftsmanship of the senior Mr. Ketland. Instead, the Ketland name is generally recognized due to the large number Ketland branded guns and LOCKS which were imported to this side of the Atlantic.