This is 375 H&H Mag Hornady Superformance 300gr DGS Ammo. Hornady Dangerous Game Series ammunition is designed specifically for large game and safari hunting. These bullets feature a flat meplat for straighter penetration and create more energy transfer than a simple round profile bullet. Designed for the toughest hunting in the world, where the deepest penetration is required. Tough copper clad steel jacket delivers deep penetration and will not deform. Load your rifle with Hornady Dangerous Game Series Ammunition and FEAR NO EVIL! This ammo is brass cased, boxer primed, and non corrosive. This ammo comes packed in 20rd boxes.