A large number of collectors began their passions by the discovery in an attic or a second-hand dealer of a bayonet saber Chassepot or more rarely Remington, these two weapons were also not always recognizable. This book, unpublished in this area, presents these two models and especially their innumerable variants, civil declinations, German and foreign modifications. A chapter is devoted to transformations in double casing hunting. The history of these bayonet sabers is closely linked to the war of 1870 which opposed the French armies to those of Prussia but which has progressively moved away from our memories in favor of more recent dramatic events. During this conflict, France will invent even the first replacement bayonets, the equivalent of German ersatz. Reassembly with blades of swords, swords and bayonets socket outdated or declassified on handles chassepot and Remington This book presents about ten models using hundreds of color photos, associated with archival documents, shots and photos of vintage soldiers. Rifles and girdles will not be forgotten, regulatory models such as emergency tents distributed especially during the First World War where these weapons had resumed service in the hands of our brave territorials.