Among the Parker listings under Cabela's Gun Library there are lots of pattern welded barrels, almost none of which are listed in the gun's description as Twist or Damascus
http://www.cabelas.com/catalog/search.cm...mp;x=10&y=7

As in medicine today, 'WNL' no longer signifies 'within normal limits' but 'we never looked'. In reviewing the last Julia auction I noted a number of barrels mislabeled, and with a single 'MWT' number without mention of any other wall thickness measurements.