 The 7.7×58mm Arisaka, as a sporting cartridge, is suitable for most big game with proper bullet selection.The 7.7 mm Arisaka uses the same .311–.312" bullets as the .303 British, and the standard military load delivered the same muzzle energy as the .303 British.Factory loaded ammunition and brass cases are available from Norma, Graf's, and Hornady, Sierra and Speer also produce usable bullets.