As a sidelight on the U.S.-made Moisins, an experimental Pedersen Device was planned for them. As you probably know, the Pedersen Device was an adapter to convert Springfield M1903 rifles to fire a .30 cal. pistol cartridge semiautomatically. The converted rifles were the Mark I Springfields, and some 65,000 sets of adapters and rifles were made. They were never issued (because of the end of the war) and were eventually destroyed, with only about 50 surviving. (The rifles were returned to stock as regular Springfields.) Well, there were designs for a Mark II Pedersen Device for U.S. Enfields, and a Mark III for the Moisins. These were both rifles in service with U.S. troops (in the case of the Moisins, with the North Russia "Polar Bear" expedition).
There was an original Mark I Pedersen Device and rifle for sale last weekend at the Nation's Gun Show in Virginia, for $42,000. If a Mark II or Mark III Pedersen Device could be found, it would be even more of a "Holy Grail" of collecting than a Mark I -- literally priceless.