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, but also saw limited use in Sweden in the m/1867-84 rolling block rifle and carbine ("kammarskjutningsgevär m/1884" and "kammarskjutningskarbin m/1884", which were primarily used for gallery shooting, that is short range training). It is a rimmed, centerfire cartridge, and was initially loaded with black powder and a lead bullet wrapped in paper. Later cartridges were loaded with smokeless powder and had a lead bullet coated in steel (Full metal jacket, or FMJ).