Umarex Prepared 2 Protect, Pepper Ball Rounds, .50 Caliber, Red and White, Contains 10 Pepper Projectiles 2292301 Prepared 2 Protect .50 caliber pepper rounds fit .50 caliber P2P pepper pistols to provide highly effective deterrents. These pepper rounds have a tough outer shell that is designed to break with high-speed impact and perform optimally at about 20 feet or less. P2P pepper rounds are red and white-colored and sold in a 10-count tube for easy storage. The average weight of these .50 caliber projectiles is 13.36 grains.