Two iconic examples that come to mind in any such narrative would have to be the Magnum Research BFR and the Winchester ... cartridges such as the .45-70 Government. The Model 1886 replaced ...

The Smith & Wesson 500 Magnum and Magnum Research BFR .45-70, better known as the T-Rex Pistol, are two prime contenders. Both are monsters in their own right, capable of punishing their shooters ...