The Winchester Target And Practice 55 Grain FMJ ammunition is designed for serious shooters who demand consistent performance and reliability. This 5.56mm NATO round features a 55-grain full metal jacket (FMJ) bullet, making it ideal for target shooting and practice sessions. The brass casing and boxer primer ensure positive functioning and reloadability, while the clean-burning propellants reduce barrel fouling for extended shooting sessions. Backed by generations of legendary excellence, Winchester "USA White Box" ammunition offers outstanding value and high quality for every trip to the range.