Founded in 1919, O. F. Mossberg & Sons, Inc., is the oldest family-owned and operated firearms manufacturer in America, and is the largest pump-action shotgun manufacturer in the world. Leading the way with over 100 design and utility patents to its credit, and standing as the first ISO 9001 certified long-gun manufacturer, Mossberg is considered to be one of the most innovative firearms manufacturers in U.S. history. (less)