Paul,

Will look forward to hearing from you after you talk to Concari. Taw1126 is right on Dumoulin - they do not make their bolt actions though they do build all of their double guns in house AFAIK. If COncari built the actions for Carlo Casartelli, their work must be exquisite, indeed! Some might criticize Casartelli's work for being too ornate, but the quality - and genius - shows in the ones that I have seen.

Good hunting and I'll call you after the weekend. Best wishes, my friend!