.44-77 PP bullets.

[Don McDowell]

Jim the 44-77 is an extremely easy cartridge to work with. Either patched or greasers. When thing got super interesting was coming up with an accurate load that met the velocity requirements of the Whittington center. Then a huge learning curve about bullet length v barrel twist. Also bullet diameter and paper thickness. Small bullets thick paper works ok for some things, but can give you a bunch of unexplained dirt diggers and sailing over annies,,, Lots of things seem to work , right up until the time you start hunting that x ring on the LR target.
I've been using a lot of the Seth Cole 55y, and liking it quite well in all the calibers, I've had numerous occasions in load testing that while 55w shoots well, the 55y tightens groups up a bunch.

I am in about the same boat as you, I know my 77 was getting really close to being shipped,, but now we wait, some more...