Winchester Repeating Arms

Backed by generations of legendary excellence Winchester USA White Box stands for consistent performance and outstanding value offering high-quality ammunition to suit a wide range of hunter's and shooter's needs. - Caliber: 5.56x45mm NATO - Bullet Type: Full Metal Jacket - Bullet Weight: 55 g - Muzzle Velocity: 3180 fps - Muzzle Energy: 1235 ft / lbs - Rounds Per Box: 420