7.92×33mm Kurz
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The 7.92×33mm Kurz is a rimless bottlenecked intermediate rifle cartridge developed in Nazi Germany prior to and during World War II, specifically intended for development of the Sturmgewehr 44. The ammunition is also referred to as 7.9mm Kurz,... Wikipedia
Base diameter: 11.94 mm (0.470 in)
Case capacity: 2.22 cm3 (34.3 gr H2O)
Designed: 1938
In service: 1942–present
Maximum pressure (C.I.P.): 340.00 MPa (49,313 psi)
Parent case: 7.92×57mm
Place of origin: Germany