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					Originally Posted by  RKP
					 
				 
				I see C aleb is taking good care of you on your build when needed, he certainly helped me out when I needed 'pointed in the right direction', and still does on occasion.   
  
 
 What's involved in the above mentioned "voluntary upgrade?"  
			
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I believe that's just their politically correct way of calling it a "recall."   There were concerns about the original units, potentially, AD'ing when dropped. That is, supposedly what they fixed.... er... uh... "upgraded."  
  
More about this program at the Sig Sauer Website (
P320 Voluntary Upgrade).