About Rio Ammunition
Rio, a familiar name in Spain and Europe since 1896 was introduced to US shooters in 2002. With the opening of its state-of-the-art production plant in Marshall, Texas, in 2015 is focused on the production and development of cartridges for the American shooter. Rio Ammunition is a subsidiary of MAXAM, the worldwide leader in the development, manufacturing, and marketing of sporting and hunting shotgun cartridges. Rio's success is based on proprietary technological developments and a totally integrated production chain ranging from the manufacture of the main raw materials to the production of all the cartridge components (cases, primers, powder, wads and shot).