100PCS .50 Cal balls ，0.50 Caliber Solid Aluminum balls,2.6Grams，Self
100PCS .50 Cal balls ，0.50 Caliber Solid Aluminum balls,2.6Grams，Self Defense Balls Fit for t4e TR50/HDR 5 100 pieces .50 caliber Aluminum balls, standard 0.50 caliber,Self Defense Balls Fit for t4e TR50/HDR 50 Made of top-grade Alunimum, each ball is about 2.6 grams. Rubber and nylon are too light, and steel balls are too heavy. Aluminum balls can fly farther and...