The 7×33mm Sako cartridge was created in Finland in 1942 as a small game cartridge for animals such as the Capercaillie and Black Grouse. It is based on a 9×19mm Parabellum case that has been lengthened and necked down to accept a bullet. The cartridge overall length is , with a case length of and a base diameter of . The bottleneck bends at (diameter ) and straightens at (diameter ). The Bertram company of Australia makes brass for it. Sako offers two loadings: a FMJ, and a 78 gr soft nose.
Rifles chambered in this caliber include the Sako Models L42 and L46.
References
See also List of rifle cartridges 7 mm caliber