Hi,
I recently acquired a Thompson Encore barrel that was factory chambered in "283 Butler". I can't find any information on the cartridge. Does anyone know what the parent cartridge is, or any other information about the round?
				
			I recently acquired a Thompson Encore barrel that was factory chambered in "283 Butler". I can't find any information on the cartridge. Does anyone know what the parent cartridge is, or any other information about the round?
 
	








 
 
		 
 
		 
 
		
