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Favorite 45 Colt Cowboy loads?

I load 8 gr of no 2 with 255 gr lswc. Walkalong measured it at around 830 fps. This is still standard pressure.

Standard Pressure, Heavy .45 Colt Question

these are finally getting used A true blast from the past. Gosh, those were a blast to make! Unfortunately, all those notes are lost to history, but I do remember a few things : We used hot applied rifle lube, and those bullets should be amazingly hard: they are water dropped , and in the...
www.thehighroad.org
I would think 7 gr is bottom rung. 6 seems low.
 
The powdercoated loads worked decent today.

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The Howell conversion cylinder worked perfectly. The only fly in the ointment was when I tried the black powder loads. Those gunked FAST and I am pretty sure it was the bullet/lube combo.

However, here is a pretty cool picture of a Remington New Model Army belching fire from a 29.5 gr load of Olde Eynsford 3F through the Howell Conversion Cylinder.

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Done several thousand with 200 rnfp and five grains of Clays.
For me, A real cowboy load would be a 255 grain (Lyman 4545190) and about 8-9 grains of Unique. V enough to get 875 fps like the real cowboys had.
Or 35 grains of fffg.
 
The 255 gr I have is not right for BP, as I discovered. My problem is I was wedded to the idea that it HAD to be a 255gr RNFP bullet, or it wasn't "correct"...I do this while shooting them through a revolver made of stainless steel, NOT exactly a common pistol material in the 1860/70s.
I have a 200gr mold I will try next, i.e., today. I was told a good starting load of 3f was 29, so I tried 29 and 29.5 with poor results, wrong bullet, not enough lube, and wrong lead. I will fix all of that today. 35 grains sounds like a better load.
I also discovered that CLEANING a gun that fired both smokeless and black powder in the same range trip can be interesting.
 
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