The J. Stevens Arms & Tool Co. introduced their lower priced line of Riverside Arms Co. doubles, designed by G.S. Lewis, in their last catalog, General Catalog No. 54, circa 1915. The Lewis designed hammerless gun was the No. 315 and the hammer gun the No. 215 --

The company was taken over by New England Westinghouse for war production for The Great War and became J. Stevens Arms Co. After The Great War J. Stevens Arms Co. became a wholly owned subsidiary of Savage Arms Corp. The Riverside Arms Co. No. 215 remained in the companies offerings to 1928 --

By 1929, J. Stevens Arms Co. dropped the Riverside Arms Co. name, and their lower priced line became Springfield Arms Co. --

The last appearance of the No. 215 was on the June 21, 1932, J. Stevens Arms Co. price list.
At the time the No. 215 was introduced, the heaviest 12-gauge loads our North American ammunition manufacturers offered was 1 1/4 ounces of shot pushed by 3 1/2 drams of bulk smokeless powder or 28-grains of dense smokeless powder such as Infallible or Ballistite --


These loads could be had in 2 3/4 inch or longer cases. There were lots of lighter loads offered, but the North American Nimrod has always gravitated towards the heaviest loads possible!! According to some old DuPont shotgun powder booklets in my collection, these loads were quite high pressure, 11700 pounds for the 3 1/2 drams of bulk smokeless powder and 12600 pounds for the 28-grains of Ballistite. When progressive burning smokeless powders developed during The Great War began being applied to shotgun shells, Western Cartridge Co.'s Super-X loadings leading the way, that 1 1/4 ounce 12-gauge payload could be launched at a significantly higher velocity and lower pressures, DuPont claiming 9600 pounds for their DuPont Oval --
From about 1907 onwards the heaviest loads the companies were offering in the 2 5/8 inch 12-gauge shell were 1 1/8 ounce.