Hello Keith,
You might want to look at this Bohler-Stahl barrel that is on e-Bay auction right now :
http://cgi.ebay.com/ws/eBayISAPI.dll...5&category=383
Bohler-Stahl was an Austrian steel maker around the time of the start of WWI and supplied barrel steel to DWM for barrels...
Regards,
Pete... <img border="0" alt="[typing]" title="" src="graemlins/yltype.gif" />