Thanks for the compliment. The 223 Short project meets a lot of "easy" and "low cost" solutions, but it is still more complicated than I would like a wildcat project to be. The 357 Indy is still a concept, but what I was looking for were other wildcat designs that could use cheap parent cases (30-30 trimmed with a little Harbor Freight cutoff saw), a rechambered Handi 357 or Rossi Wizard with absolute minimal DIY smith work (trim the extractor for the larger case rim), can be legal all over for deer, have more oomph than a 357 Maxi, hold not too much powder as I am a recoil wuss, and be able to have my GBO 223 Short partner in crime Jebbman machine a Redding 30-30 FL die, replace the guts with a 357 tapered expander, and use Lee 357 mag expander, powder, seater and crimp dies in a Lee Classic 4 Station Turret Press. In other words, do it all as cheap as possible.
It should have a capacity of 25% more than a 357 Max or 1.79cc x 1.25 = 2.24cc, which in turn is 91% of a 30-30's capacity of 2.45ccs. It would be a little less than the capacity of a 22 Hornet (0.79cc) x 3, so I would be able to get about 240 rounds per pound of L'il Gun for instance. With all the other costs savings involved, in addition if I use mild loads, then the life of the straight walled case, cheap bullets, and frugal powder use would add up to a very economical shooter over both the short and long terms, considering it is a wildcat.
I am guessing powders that would work the best would be anything that drove a 357 Max accurately.
The question about getting a reamer made up is do I have it throated like a 357 Mag or a 358 Win? If I go with the 357 Mag throat then the Hornady Flextips and any other 357 mag bullet will be good to go, and that is all sorts of choices.
I also think it would be a really good candidate for suppression with the right powders and wise sub-sonic bullet choices.
At least I am working again after 2 years, so I can slate this as #2 on my to-do list. If I am lucky I will have this one shooting no later than early fall. The 223 Short should be shooting no later than late Spring, my version will test light bullets first, Shane is testing the heavier ones.