If you need superior ammo for your next training or competition event, you should pick-up some Winchester USA ammunition. Winchester uses top-of-the-line components to bring you a select grade ammunition specifically designed for the sport shooter. The full metal jacket bullet offers optimal performance when plinking and training on the range. The ultra-reliable primers give you dependable consistency shot after shot. High quality brass cases ensure positive function in every firearm. Winchester ammo is the ideal ammunition for training competition or just a day of plinking at the range. Winchester Ammunition. Born Here. Built Here.