..Stock #: RIO556
..Product description: 5.56 X 45mm NATO/M855
..Bullet: 62 Grain Full Metal Jacket
..Velocity: 3000 FPS
..Ammo Can: 900 Rds / 10 Rd Stripper Clips

The Rio 5.56x45mm NATO, 62gr FMJ cartridge is designed for use in tactical, marksmanship and sporting applications. Our 5.56 cartridge is a standard NATO round complying with strict NATO design requirements and operation specifications offering high efficiency and reliability in any environment.

This particular cartridge that we manufacture in our Denmark Cartridge Plant is currently deployed within NATO member countries throughout the world and is our first in a series of metallic cartridges that we now offer in North America.

Look for additional calibers in popular pistol and rifle chamberings to come in the future.