Original U.S. Williamson Patent .41 Caliber Rimfire Single Shot Derringer by Moore Firearms Co. - Serial 6219 - Circa 1866-1870 MG 34 Returned to the United States

Returned to the United States in June 1945

IMA has only a few left in stock

that was definitely no longer possible

The body of the Mark 37 (7x 50) is made of cast aluminum with other components being stamped or machined

Original U.S. Williamson Patent .41 Caliber Rimfire Single Shot Derringer by Moore Firearms Co. - Serial 6219 - Circa 1866-1870 MG 34 Returned to the United StatesOriginal Item: Only One Available. This is a scarce David Williamson Patent . 41 Rifled Derringer, made between 1866 and 1870 by the Moore's Patent Firearms Company of Brooklyn, New York. The pistol is marked on the underside of the barrel and inside the brass barrel dovetail with serial number 6219. There also is the Williamson patent information stamped onto the right side of the barrel: WILLIAMSONS PAT. OCT. 2. 1866 NEW YORK Of special note is that