6.5×52mm Carcano
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The 6.5×52mm Carcano, also known as the 6.5×52mm Parravicini–Carcano or 6.5×52mm Mannlicher–Carcano, is an Italian military 6.5 mm rimless bottle-necked rifle cartridge, developed from 1889 to 1891 and used in the Carcano 1891 rifle and many of... Wikipedia
Bullet diameter: 6.77 mm (0.267 in)
Designed: 1889–1891
In service: 1891–1970
Maximum pressure: 285.0 MPa (41,340 psi)
Place of origin: Kingdom of Italy (1861–1946)
Produced: 1891–present
Used by: Italy, Finland, Nazi Germany