The 8×50mmR Mannlicher is a rimmed rifle cartridge developed in the late 19th century, primarily for use in the Mannlicher M1888 rifle. It features a bullet diameter of 8mm and a case length of 50mm, designed for effective performance in military applications. This cartridge was notable for its use of a spitzer bullet, which improved aerodynamics and accuracy compared to earlier round-nosed designs. The 8×50mmR Mannlicher was widely adopted by various countries and influenced the development of subsequent cartridges in the early 20th century.