Interesting, sure, but not really revelant when it comes to Colt percussion revolvers.
Really cool project. Keep us updated. I'd machine all the parts from bar stock. A band saw can remove a lot of material pretty quick. Rifling buttons are commercially available but I think cut rifling is better.Not really, I have an 1856 mfg original I'll us for dimensions. Lots of scrap brass saved to cast brass triggerguards. Tool steel saved for the cylinders and barrel. Its my favorite percussion model and for awhile I wanted to make one from the ground up. Its also time efficient to make more than one item. Making 1 part may take an hour. 2 parts would take 1 1/2 hours, 10 parts may only take 3 hours, thus why I may make more than one. The hard part is definitely machining a frame from solid bar stock, that is why I want to find rough castings and I'll machine that part from there. At a gun show in Crown Point Indiana (2001?) I saw a box of 51 navy iron frame rough castings and 60 army castings. Drove away and hit the Illinois line before I realized I should have bought the whole box of 51 Navy castings. The next year (2002) was driving through again on my way to Wyoming and hit the same show....eagerly ran right to where they were the year before but they were gone. Not only that, no dealer there could remember anyone having the rough castings....grr......
Lodgewood sells a wax cast triggerguard for a Navy/Army.That would be very cool dandak. You might find this interesting, a collection oftwenty-three Colt percussion and conversion replicas made by Master Machinist Glen Marose of Missoula, Montana. https://jamesdjulia.com/item/53091-103-402/
I think it would be really neat if someone could make correctly proportioned grip frames, patterned from originals, with screw holes that would allow them to be fitted to current Uberti and Pietta replicas.