In 1915 John Browning

John Browning

John Moses Browning , born in Ogden, Utah, was an American firearms designer who developed many varieties of military and civilian firearms, cartridges, and gun mechanisms, many of which are still in use around the world...

 patented a pump action, hammerless, under-loading, tubular-magazine, bottom-ejecting, take-down shotgun which became the Remington Model 17. The manufacturing rights were sold to Remington Arms

Remington Arms

Remington Arms Company, Inc. was founded in 1816 by Eliphalet Remington in Ilion, New York, as E. Remington and Sons. It is the oldest company in the United States which still makes its original product, and is the oldest continuously operating manufacturer in North America. It is the only U.S....

 shortly after, but due to the production efforts of World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

, Remington was unable to begin manufacturing until 1921. Before production began John Pedersen made alterations to the design, with more changes made later by G.H. Garrison. The Model 17 was a trim, 20-gauge shotgun that served as the design basis for three highly successful shotguns: the Remington Model 31

Remington model 31

The Remington Model 31 was a slide-action shotgun that competed with the Winchester Model 1912 for the American sporting arms market. Produced from 1931 to 1949, it superseded the John Pedersen-designed Model 10 and Model 17 and was replaced by the less expensive Remington 870.-History:While the...

, the Ithaca 37

Ithaca 37

The Ithaca 37 is a pump-action shotgun made in large numbers for the civilian, military, and police markets. It utilizes a novel combination ejection/loading port on the bottom of the gun which leaves the sides closed to the elements. In addition, the outline of the gun is clean...

 and the Browning BPS

Browning Arms Company

Browning Arms Company is a maker of firearms, bows and fishing gear. Founded in Utah in 1927, it offers a wide variety of firearms, including shotguns, rifles, pistols, and rimfire firearms and sport bows, as well as fishing rods and reels....

.