Quote:
	
	
		
			
				
					Originally Posted by  Daryl Corona
					 
				 
				Ched. 209	CB 0175-12		15.9	7200 PSI	1,150 
 
Win. 209	CB 0175-12		16.1	7500 PSI	1,150 
 
Here's the exact load I'm using with Clays.  Actually pressures are lower with the Ched. primers taken directly from the Hodgdon site.  I've always believed that to be the case. 
			
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 Seems there is a significant difference with heavier loads.
12ga Remington STS, Nitro 27, 
Cheddite 209, 15.8 gr Titewad,  AA Wad, 1 1/8 oz, 1145 fps 11,400 psi
Win 209, 15.4 gr Titewad, AA Wad, 1 1/8 oz, 1090 fps, 8700 psi
12ga AA
Cheddite 209, 17.3 gr Clays, AA Wad, 1 1/8 oz, 1145 fps, 10,700 psi
Win 209, 17.2 gr Clays, AA Wad, 1 1/8 oz, 1145 fps, 8800 psi