Igman 7.62x51mm NATO M80 Full Metal Jacket (FMJ) Ammunition. This ammunition is manufactured by Igman, a reputable European ammo producer. It is chambered in 7.62x51mm NATO, equivalent to .308 Winchester in dimensions but loaded to NATO specifications. Each round features a 147-grain Full Metal Jacket (FMJ) bullet, making it ideal for target shooting, training, and range use.