7×57mm Mauser
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The 7×57mm Mauser is a first-generation smokeless powder rimless bottlenecked rifle cartridge. It was developed by Paul Mauser of the Mauser company in 1892 and adopted as a military cartridge by Spain in 1893. Wikipedia
Bullet diameter: 7.25 mm (0.285 in)
Case capacity: 3.90 cm3 (60.2 gr H2O)
Designed: 1892
Maximum CUP: 46,000 CUP
Maximum pressure (C.I.P.): 390.00 MPa (56,565 psi)
Place of origin: German Empire
Produced: 1892–present