The 7.63×25mm Mauser is a bottlenecked pistol cartridge developed in the early 20th century. It was designed for the Mauser C96, a semi-automatic pistol that gained popularity for its unique design and high velocity. The cartridge features a bullet diameter of 7.63 mm and is known for its flat trajectory and effective range. This cartridge was widely used in various military and civilian firearms, particularly in Europe and Asia. Its performance made it suitable for both self-defense and military applications. The 7.63×25mm Mauser remains a notable historical cartridge, appreciated by collectors and enthusiasts today.