Smoothbore. Like new, probably ten blanks fired if that, and at a range. The complete de-farbing process, if Zimmerman could do it, he did to this one. Bought as it was just too beautiful to pass on, but it has never been into the field. 1845 Harper's Ferry on the lockplate, brass front sight on band, no Italian marks visable (yes, it started life as an Armi-Sport 1842 Springfield), and the stock completely re-worked, now dark and oil-finished. Looks like one would have looked when issued in 1845. No further work needed, just buy the thing!