All I can say is: the 21st Century is better than the K&M is better than the RCBS. That's all the data that I have, and that's subjective. I started priming with one of those Lee presses that they sent you out free if you bought a set of dies. Not the worst thing that ever was......
				
			 
	








 
 
		 
					
				 
						
					 
 
		 
 
		 
 
		 
 
		 
 
		
