Thompson Center Omega 45cal?

I don't know much about the Thompson. You say it's a .45. Is it a .45 ACP, .45 Colt, 45-70, or what? If it's a .45 ACP you might want to talk to board member Gary Wells. If your pistol is a .45 ACP hopefully Gary will chime in. He is a .45 ACP guy and has done a fair amount of reloading. If you had a .357, 30-06, or .308 I might be able to help you since I load for those rounds. :D :D Good luck.
 
A what?
Seriously, you might want to take this question over to www.1911forum.com
I think that they have a muzzle loading section.
Excellent forum for all types of firearms in general, and probably the best forum for 1911 type automatics
 
Ok, it's a muzzleloader. Don't know much about those myself.

When you said Thompson, I was thinking it was probably one of the Thompson break action single shot silhouette pistols they make. Wish I could help. Good luck.
 
I would load up with 2 pellets of 50 gr.each for a total of 100gr of powder.Get the new style sulfer free called "777".The best projectiles are the power belt bullets available for .45 in a few different weights.
 
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