Winchester introduced the .50-100 Winchester (.50-100-450) cartridge uring the early 1890’s, which was a close cousin to the .50-110 Winchester. This load fired a 450gr bullet at approximately 1,455fps (2,190 foot pounds of energy). The .50-110 and .50-100 Winchester cartridges were virtually identical and could be safely fired in a rifle chambered for either cartridge.