6.5×55mm Swedish
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6.5×55mm Swedish, also known simply as 6.5×55mm, 6.5x55 SE, 6.5x55 Swede, or in its native military as 6.5 mm patron m/94, meaning "6.5 mm cartridge model 94", referring to 1894, is a first-generation smokeless powder rimless bottlenecked rifle cartridge. The cartridge has most users in the Scandinavian countries, where it is known as the 6,5×55 or just "the 6,5".
6.5×55mm
From left to right 9.3×62mm, .30-06 Springfield, 7.92×57mm Mauser, 6.5×55mm and .308 Winchester cartridges
Size comparison of some 6.5 mm cartridges, left to right: .264 Winchester Magnum, 6.5×55mm, 6.5×52mm Carcano, .260 Remington, 6.5mm Creedmoor, and 6.5mm Grendel
Swedish 6.5 mm skarp patron m/94 projektil m/94 ball ammunition
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 its successors. A common synonym in American gun literature is "6.5mm Italian." In American parlance, "Carcano" is frequently added to better distinguish it from the rimmed hunting cartridge 6.5×52mmR. Ballistically, its performance is very similar to that of the 6.5×54mm Mannlicher–Schönauer.
A 6.5×52mm Mannlicher-Carcano formerly owned by Lee Harvey Oswald from Warren Commission as part of its investigation of John F. Kennedy's assassination
(Left to right) 8mm Mauser (also called 7.92mm Mauser), 6.5mm Carcano, and 7.35mm Carcano
A 6.5×52mm Carcano cartridge loaded with a modern hunting bullet
A six-round en-bloc clip