Federal Personal Defense 5.56 NATO 64gr SP ammo comes with reloadable brass casings, box primers, and clean-burning powders and propellants for consistent shot-to-shot performance you can trust when it matters most. This 5.56 ammo is loaded with Federal soft-point bullets for reliable expansion and hard-hitting stopping power on target. Order today! 20 rounds. Specifications Material: Brass Round Count: 20 Caliber: 5.56mm NATO Bullet Weight: 64 Grain Applications: Defensive