10.15×61mmR
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The 10.15×61 mmR cartridge was designed by a joint Swedish-Norwegian rifle commission in the late 1870s and early 1880s, and approved for use in Sweden and Norway in 1881. It was primarily used by Norway in the Model 1884 Jarmann
rifle A rifle is a long-barreled firearm designed for accurate shooting, with a barrel that has a helical pattern of grooves ( rifling) cut into the bore wall. In keeping with their focus on accuracy, rifles are typically designed to be held with ...
, but also saw limited use in Sweden in the m/1867-84 rolling block rifle and carbine (" m/1884" and " m/1884", which were primarily used for gallery shooting, that is short range training).Schinke, Carsten - Die leichten schwedischen Infanteriegewehre Armee und Heimwehr - Journal-Verlag Schwendt Gmbh -1990 It is a rimmed, centerfire cartridge, and was initially loaded with
black powder Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate (saltpeter). Th ...
and a lead
bullet A bullet is a kinetic projectile, a component of firearm ammunition that is shot from a gun barrel. Bullets are made of a variety of materials, such as copper, lead, steel, polymer, rubber and even wax. Bullets are made in various shapes and co ...
wrapped in paper. Later cartridges were loaded with
smokeless powder Finnish smokeless powderSmokeless powder is a type of propellant used in firearms and artillery that produces less smoke and less fouling when fired compared to gunpowder ("black powder"). The combustion products are mainly gaseous, compared to a ...
and had a lead bullet coated in steel (
Full metal jacket ''Full Metal Jacket'' is a 1987 war drama film directed and produced by Stanley Kubrick, who also co-wrote the screenplay with Michael Herr and Gustav Hasford. The film is based on Hasford's 1979 novel ''The Short-Timers'' and stars Matthew M ...
, or FMJ). The earliest version had a load of 4.46 g of black powder, and a projectile weighing 21.85 g. This gave a muzzle velocity of 500 m/s. The later version, with a full metal jacket, was loaded to produce the same muzzle velocity. All in all, more than 3 million cartridges were manufactured for military use in Norway, as well as more than 2 million ordered from abroad. The majority of these were sold with the Jarmann rifles when the Norwegian Army introduced the Krag–Jørgensen. The following variations on the 10.15x61mmR cartridge have been identified: *10.15 Ball, rounded tip, lead bullet wrapped in paper, black powder (possible just used for tests) *10.15 mm Ball, flat tip, lead bullet wrapped in paper, black powder *10.15 mm Ball, flat tip, full metal jacket, smokeless powder *10.15 mm Gallery, round lead bullet (for use indoor / short rangers) *10.15 mm Gallery, same as above but with a ring crimped around the neck of the case *10.15 mm Blank, unpainted wooden 'bullet', smooth case *10.15 mm Blank, same as above but with six long ridges pressed into the case *10.15 mm Blank, same as above but with six long and six short ridges pressed into the case *10.15 mm Dummy, red wooden 'bullet' going all the way to the bottom of the case, six long and six short ridges pressed into the case and two rings crimped around the neck of the case. *10.15 mm Dummy, as above but with just the six long ridges and rings around the neck. *10.15 mm Dummy, as above but with brown wooden 'bullet' and two rings crimped around the neck of the case (tests only). *10.15 mm Harpoon round, a blank round crimped shut, used only in the M28 harpoon gun. *10.15 mm Harpoon round, as above but closed with a crimped lid.


Gallery

File:Gevär_fm-1881_-_magasinsgevär_system_Jarmann_-_Carl_Gustafs_-_Armémuseum.jpg, Jarmann repeating rifle fm/1881 in 10.15x61mmR. This "two-band" model became the Norwegian M1884 Jarmann. Made by Carl Gustafs Stads Gevärsfaktori in Sweden. File:Gevär_fm-1881_(2)_-_magasinsgevär_system_Jarmann_-_Carl_Gustafs_-_Armémuseum.jpg, A Carl Gustaf made "three-band" fm/1881, also in 10.15x61mmR. Apart from the number of bands around the forestock it is identical to the "two-band" model. File:Kammargevär_m-1884_-_10,15_mm_Jarmann_-_Armémuseum.jpg, Swedish Remington rolling block rifle "kammarskjutningsgevär m/1884" in 10.15x61mmR. File:Kammarkarbin_m-1884_-_10,15_mm_Jarmann_-_Armémuseum.jpg, Swedish Remington rolling block carbine "kammarskjutningskarbin m/1884" in 10.15x61mmR.


References

{{DEFAULTSORT:10.15x61mmR Pistol and rifle cartridges Rimmed cartridges