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			Okay, that makes sense.  Kind of like a counter sink hole for a screw so that it feeds in nicely.  The chamfer acts like a funnel for the ammo I take it.  I'll check it out once I am done working. 
 
Thanks, 
 
Billy 
 
PS - thanks for the Maryland AR-15 website.  I checked it out and I like the info on it.  Haven't read the entire thing yet, but read about ranges that don't mind the use of AR's.
		 
		
		
		
		
		
		
			
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