Umarex P2P Core Defense .68 Cal. Powder Ball Ammo provides reliable less-lethal self-defense. Each round features a frangible shell that houses a perfectly centered steel ball surrounded by inert powder. Upon striking the target, it creates a cloud of powder up to 12 feet in diameter and marking its target. These P2P Core Powder Ball rounds provide better range than other powder balls, so you can fire from farther away. Works with most .68-caliber launchers. Each round features a steel ball surrounded by inert powder Creates a powder cloud and marks your target upon impact Better range and accuracy than most pepper balls Ammo works with most .68-caliber launchers