6.5×54mm Mannlicher–Schönauer

The 6.5×54mm Mannlicher–Schönauer also known as 6.5×54 Mannlicher–Schönauer Greek or simply 6.5 Greek is a 6.5 mm (.264" cal.) rimless rifle cartridge used in the Mannlicher–Schönauer rifle. It is the direct descendant of the 6.5×53mmR rimmed cartridge from the 1891 Mannlicher rifle, designed to function smoothly through the Schönauer's rotary magazine.