Apex's Tungsten Super Shot (TSS) is the pinnacle in waterfowl cartridge design. Light, fast and agile, it's the ultimate shotshell for any waterfowl experience. With a density 0f 18.1 grams per cubic centimeter, the Apex Tungsten Super Shot loads hit with devastating energy. From King Eiders in Alaska to double banded Mallards backpedaling over the decoys, bring home that once-in-a-lifetime experience every time you hit the field.