CALIBER: 5.56x45mm BULLET WEIGHT: 55 Grain BULLET TYPE: Full Metal Jacket (FMJ) USE: Range 5.56x45mm - 55 Grain - M193 - FMJ. This ammunition is meticulously designed for optimal performance, offering a 55-grain weight and a full metal jacket (FMJ) design. The M193 designation signifies that it adheres to military specifications, ensuring its reliability and effectiveness. GGG's 5.56x45mm ammunition is widely used by both military and civilian shooters, thanks to its exceptional accuracy and consistency. With a strong focus on innovation and customer satisfaction, GGG continues to set new benchmarks in the ammunition industry. Their commitment to excellence is reflected in every round they produce, making GGG a trusted name for shooters around the world.