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					Originally Posted by elderboy02  The lower parts kits are interchangeable.  I would just buy a complete upper.  
Also, for AR15.com, I believe if you register for a e-mail at mail.com, you can then register on ARFCOM.  Then once you are signed up, you can change it to your hotmail account   | 
	
 Thanks for the tip....now, to just find a complete upper that will be shipped within this lifetime.