The Viking is a close copy of the 'Seecamp' conversion done by Colt at the custom shop.
I thought I was the only guy around here that owned a ODI/Viking farmed gun. Mine is a frankengun, with an all-Colt upper and Wilson doo-dads (beavertail, safety lever) that I had built up.
Hope yours is more reliable than mine, I tried to use mine in IDPA for a while it jams a lot. Still, an intersting piece and it did a lot of holster time.
Also have carried a Colt 1917 New Service Army Revolver as a belt gun and felt no shame at all, nor did I feel undergunned.
Haven't taken the Luger into the woods yet. Found out it DOES fit in my GI 45 holster.
Carried a Pa-63 backpacking a lot.