When the Swedish Army upgraded from pinfire to center-fire, their existing Lefaucheaux revolvers were converted and adopted as the Lefaucheux – Francotte Cavalry model 1871. The m/71 revolver was invented by August Hagstrom (1817-1901) and was only used by Sweden and adopted by them on the 19th of April 1871. The revolvers were produced by August Francotte, Liége in Belgium, although a small number were also produced by Husqvarna. (Erlmeier, Brandt Ref. 163B).