Hi Wade,
It was not used on long rifles. Stub twist barrels made from steel, iron, and horseshoe nails were made in Britain during the 3rd quarter of the 18th century and well into the 19th. Damascus barrels go back to the 17th century (at least) initially made in India, SE Asia, and Turkey but eventually made in Europe. Damascus barrels were popular on Belgian and other European guns particularly during the 19th century.
dave