Powerful rifle ammunition manufactured with exacting standards with the gun owner in mind. Buffalo Bore produces strictly big bore ammo with massive firepower and dramatic results. Popular calibers include 4570 Magnum Lever gunheavy .444 Marlin Heavy 3855 WinchesterHeavy 348 Winchester50 Alaskan Heavy 35 Remington Sniper 223 Remington Sniper 308 Winchester Heavy 450 Marlin Heavy 3030.