Langbüchse
Langbüchse is a term used in German to describe a long rifle. Historically, it referred to early firearms with long barrels that were designed for increased accuracy and range. These early rifles often used a matchlock, wheellock, or flintlock mechanism. The term became less common with the advent of modern rifling and repeating mechanisms, but it can still be encountered in historical contexts or when discussing antique firearms.
The defining characteristic of a Langbüchse is its long barrel length relative to its overall size. This
In modern usage, "Langbüchse" might be used informally to distinguish a rifle with a particularly long barrel