Caliber: 223 Remington - Rounds Per Box: 200 - Bullet Type: V-Max - Bullet Weight: 50 GR - Muzzle Energy: 1209 ft lbs - Muzzle Velocity: 3300 fps - Application: Personal Defense - Hunting ammunition with precision brass cases combined with reliable primers. Tested for use in extreme heat or cold hunting conditions. Accuracy penetration and expansion combine for a quick humane kill. Packaged in a Plano case. Four boxes of 50 rounds each for a total of 200 rounds per Plano case.