Winchester Super X High Brass loads have been a long-time favorite for upland hunters across North America. Whether busting roosters or swinging smooth on a covey of quail, the rounds deliver consistent patterns and superior results downrange. Super-X Shotshells are hard-hitting and reliable. From deer to upland birds, there is a Super-X Shotshell for almost every quarry. First introduced in 1922, Super-X ammunition delivers better, and more dependable knock-down power. Made using precise manufacturing processes and high quality components, this ammunition has become the ammunition to rely and depend on for whatever your need.