The 7x33mm Sako cartridge was created in Finland as a small game cartridge for animals such as the Capercaillie & Black Grouse. It is based on a 9x19mm Parabellum case that has been lengthened & necked down to accept a .721 bullet. It utilizes a 5.1 gram bullet with a muzzle energy of approximately 2800 bar and muzzle velocities of between 720 and 800 m/s. The cartridge overall length is 44.30mm with a case length of 33.30mm & a base diameter of 10mm. The Bertram company of Australia makes brass for it.



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