Maybe, but the barrels are attached in the box where you buy them from, and barrels have to be "fit" at the plant. So I'm not sure why they'd install a barrel, uninstall it, and ship it in a box long to hold it only for the company it goes to to reopen it and refit the barrel. But I've never unloaded them from the truck.
Oh yeah, and a quick call to H&R says that the barrels are
manufactured in New York