I suspect there are but I can't find them.
This site lists 183 styles described by region but not by function. Most Pennsylvania rifles seem to be based on German Jaeger designs (German gunsmiths) but I can't find nomenclature on the fiddly bits.
http://www.muzzleloaderbuilderssupp...id=2660350.35157&next=0&product=Triggerguards
This site lists 183 styles described by region but not by function. Most Pennsylvania rifles seem to be based on German Jaeger designs (German gunsmiths) but I can't find nomenclature on the fiddly bits.
http://www.muzzleloaderbuilderssupp...id=2660350.35157&next=0&product=Triggerguards