For every "Gamer" in cowboy shooting there are 2 or 3 that prefer the full power or close to full power loads. My personal "Light" load for 45 Colt was a duplicate of 45 S&W Schofield loading.

The ammo the OP was talking about went into production as the "45 US" round, 230 grain round lead nose bullet at 810 fps. This is what Colonel Thompson base the 45ACP on. And that is what I used for Cowboy Action Shooting in my 45 revolvers and 1911's for Wild Bunch.

The 45 Frankfort or 45 US was the issue ammo for the 1909 revolvers but would fit the officers personal SAA's or Schofields (if anyone still carried one!) I have examples of factory ammo with lead and with jacketed bullets, my jacketed ammo has a 1920 or 1921 headstamp, the lead has 1912 headstamp. Of course they are both marked FA!

I bought out a fellow shooters supply of modern 45 Schofield hand loads using Starline Brass. I got 700 rounds for $100. I have fired it in Rossi 92 Carbines and Marlin 1894 rifles, and several revolvers in 45 Colt. It is made to 45 Schofield length, but has a 45 Colt rim. In other words it is 45 Frankfort/45 US!

Ivan the Butcher
SASS #40349