On a Merkel.

Gunsmith installation on a Krieghoff.

http://forums.nitroexpress.com/showflat.php?Cat=0&Number=215819&an=&page=0&vc=1

Went on Google and google led me straight back to a NitroExpress.com forums thread.

Was looking for an image of the Krieghoff mounting system on the barrels. Would have a photo somewhere myself, but easier to find it on the net.