This 15-round, .380 Auto black oxide alloy steel magazine is compatible with the Security-380 pistol. It comes with a flat floorplate installed. This Genuine Ruger Factory Accessory is made in the USA.15-round magazines are not available in all states and locales. Ruger cannot bill to or ship 15-round magazines to the following states and cities: California; Boulder, Colorado, Connecticut, Hawaii; Cook County, Highland Park, Illinois, Maryland, Massachusetts, New Jersey, New York, Oregon, Rhode Island, Washington State, Washington DC. DO NOT ORDER THIS PRODUCT if you live in these locations.