rifle barrel

Folks, your advice and assistance is welcome on a long simmering project. The .62 caliber rifled barrel and stock wood (full stock or half) have been in my possession for five years, as different rifle designs went through my mind over this time. Due to the high heat, today was an "inside" day...

hello, im new, was wondering if anyone could help me figure out the underlug and identity, or period of this rifle barrel, its sighned,/marked N clark. only markings, found two, one in PA mid 1800, and dublin ireland 1800,s and the underlug,? open ended, no tap holes andwhere for any sort of...