Treaty of Versailles modifications including cutting back of barrel length to four inches and fixed rear sight on existing stocks of weapons. Commonly know as the '1920 rework' or '1920 variation' models. This one has the fixed rear sight but a 6" barrel. all matching except breech block. appears to have been refinished. Excellent bore. More photos on request. $995 shipped. lay-a-way available, no credit cards.