Ultramax .45-70 Government 430 grain Jacketed Hollow Cavity Rifle Ammo 20 Rounds. 45-70 Government 430 grain Jacketed Hollow Cavity Rifle Ammunition: Manufacturer: Ultramax Caliber: .45-70 Government Number of Rounds: 20 Bullet Type: Jacketed Hollow Cavity (JHC) Bullet Weight: 430 grain Application: Target Package Contents: Ultramax .45-70 Government 430 grain Jacketed Hollow Cavity Rifle Ammunition What is Ultramax .45-70 Government 430 grain Jacketed Hollow Cavity Rifle Ammunition good for? The manufacturer says that it is good for target.Ultramax ULT-45-70-1-N: .45-70 Government 430 grain Jacketed Hollow Cavity Rifle Ammo 20 Rounds