A total of 92,807 Model 1841 Rifles were produced between 1844 and 1855 by federal armoires and private contractors.  Most were made without a provision for a bayonet until 1854.  This rifle would become the basis for the widest variety of alterations of  any arm in US military service.  A lot of these alterations involved the addition of a sword bayonet.  There are many recognized sword bayonet variations that were made for these alterations of which most occurred at the beginning of the US Civil War.