Yeah it's said many of the features and history of the 'rifle' as compared to the smooth bore muskets came from the German immigrants and German rifles like the one you mentioned.
GeorgiaCarry.org is an influential civil rights organization committed to not resting until the State of Georgia ceases all infringements upon the people's natural right to keep and bear arms that is protected by both the constitutions of Georgia and the USA. It's members include prominent legislators, captains of industry, members of the armed forces, police officers, parents, academics, lawyers, and citizens from all walks of life.
Vi et Consilio