There is a new album in the Member Gallery that contains the pages of the 1924 Pacific Arms catalog...
Here is an extract of one of the pages that provides rather optimistic (and humorous) instructions on how to change your barrel.
Anyone who has ever removed a Luger barrel, will probably be rolling on the floor with laughter. <img border="0" alt="[hiha]" title="" src="graemlins/roflmao.gif" /> <img border="0" alt="[hiha]" title="" src="graemlins/roflmao.gif" /> <img border="0" alt="[hiha]" title="" src="graemlins/roflmao.gif" /> Removing a Luger barrel is not a job for the feint of heart ! <img border="0" alt="[ouch]" title="" src="graemlins/c.gif" /> It requires special tools and much muscle to prevent damaging the Luger receiver...
(SO MUCH FOR THE WITNESS MARK THEORY OF BARREL INSTALLATION, EH DWIGHT?) <img border="0" alt="[typing]" title="" src="graemlins/yltype.gif" />