Federal American Eagle .300 AAC Blackout 150gr FMJ ammunition is designed for high quality performance and cost-effectiveness. It features a Full Metal Jacket construction and comes with 20 rounds per box suitable for rifle use. This ammunition is made using premium Federal brass and clean burning powder, ensuring reliable performance. Note that this may be factory second ammunition, which could show signs of wear or damages, but is still usable as sold AS-IS without warranty.