This is 9mm Federal American Eagle Indoor Range Training (IRT) 147gr. Total Metal Jacket (TMJ) Ammo. American Eagle Indoor Range Training (IRT) ammunition has a reduced-lead total metal jacket bullet that is fully encapsulated in copper for safer, economical training. The jacket eliminates any airborne lead hazard and makes these the perfect indoor training round. American Eagle IRT also carriers a Toxic-Metal Free primer and is the ballistic equivalent of duty rounds for realistic training. This ammo is packed in 50rd. boxes.