OK, I know this is not about a fine doublegun, but I have a JABC that I want to turn into a coach gun for cowboy action shooting. The barrels appear to be steel, but are marked on the rib TWIST FINISH BELGIUM. I read that this "may be" just a faux finish applied to make guns appear to have twist or damascus barrels. Some of this finish remains under the forend. Is there a way to determine whether the barrels are actually twist or steel? Thanks in advance.