Aguila Ammunition Rifle, 556NATO, 55 Grain, Full Metal Jacket, 30 Round Box 1E556155 EXPERIENCE PRECISION & RELIABILITY. Crafted for those who demand military-grade performance. Packaged in convenient 30-round boxes, it is perfect for filling your magazine on range days. This military-grade ammunition delivers consistent, high-quality performance with every shot. Elevate your shooting precision with Aguila's unmatched quality and performance.