My .44/77 burned some Olde E 2F today, 75 grains behind the 400 grain tapered paper patch. It's doing real well. I didn't put it to the test like you did. After my last shooting where it was hitting a bit to the left, I noticed the front sight was a bit to the right. That was corrected and I just wanted to check the rifle's windage today. All is good. Now I'll try for more distance. My load used 75 grains of 2F, already mentioned, then a card wad, a cookie of BPC Lube, another card wad, and then the bullet with the bullet's base seated about .375" below the mouth of the case. Powder is compressed to about the bottom of the case neck. Ignition by Federal large pistol primers. Like you said, the cases stay pretty clean.
