Developed in the early 1890s, the 7x57 mm Mauser was the high-speed, ... In 1891, Paul Mauser went to Spain after delivering some Model 1889 trial rifles, chambered in 7.65×53 mm Mauser.

Most Americans identify it simply as the 8 mm Mauser, but it has also been referred to as 7.92x57 mm Mauser, 8x57 mm Mauser, 8x57 mm JS and 8x57 mm S. To further complicate matters, the 8 mm ...