By the latter part of the 1830s, most of the major powers finally let practicality overcome economy, realizing that it was time to switch their small arms over from flintlock to percussion. Britain and France were among the earliest, with the United States following suit in short order—the Americans fielding the handsome Model of 1842.
Beginning in 1867, the Swedish military started fielding versions of the single-shot Remington Rolling Block rifle and carbine. In 1887, rifles—originally chambered in 12.7x42 mm R—were converted to the more modern, smallbore 8x58 mm R cartridge. The carbines, however, remained in 12 mm.