Ammo Specifications Caliber: 223 Rem. (5.56x45mm) Bullet Weight: 50 gr Bullet Style: Jacketed Hollow Point Quantity: 20 rounds per box Hitting the range this weekend? Take along several boxes of your favorite American Eagle load. You ll find our American Eagle Centerfire Rifle choices very suitable for precision practice and an affordable option for the target board. Available in contemporary calibers and a couple of classics, you ll enjoy the accuracy you ll see with AE rifle loads.