HEVI-Shot's HEVI-Steel delivers major kinetic energy. It features an increase in speed that delivers 9% more energy at 30 yards and 8% at 40. In short you will get more knockdown power and fewer crippled birds.Hevi-Shot Hevi-Steel 12 Gauge 3.5" 1-3/8 oz Steel 3 Shot25 Rounds Per Box250 Rounds Per Case3.5" Shell Length (Make Sure Your Shotgun Is Chambered for 3.5" Shells)Combining higher velocity a best-in-class wad and precision manufacturing techniques deliver the ultimate in performance. Order your 12 gauge ammo online today!*Make Sure Your Shotgun Is Chambered for 3.5" ShellsNeed some targets to practice with? Click here!Need some cleaning supplies for your firearms? Click here!