here’s a possible thought for you as well.
you may not realize, this whole deal was done, as well, 25 years ago when RFBR was still shooting some group matches.
Billy Brawand, who is still around Is a buddy.
Anyway, as a bullet maker, he had dies made and turned our BR grade jacketed bullets.
He was able to source quality cases but the real issue was sourcing proper powder which nobody would sell, or really discuss other than discovering it was a proprietary
VV version.
His entire exercise was largely responsible for rules mandating only commercially available , lead bullet, million rounds/ year etc. in all sanctioned shooting.
My point to this whole deal is that, with your experiment, you might also try to autopsy a few high end rounds for powder as sort of a “ proof of concept “ sort of test.
Just a thought.
