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			If I am not mistaken, all the powder should be burned in the first 24 inches or less of that barrel.  Hence, there shouldn't be any loss in velocity due to the porting.
		 
		
		
		
		
		
		
			
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				The pond, waterfowl, and yellow labs...it don't get any better.
			 
		
		
		
		
		
	
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