sonyman74 Posted February 13, 2008 Share Posted February 13, 2008 I was wondering if you need any kind of paper work for any U.S. made parts to prove they are U.S. made. I have a friend that will help me make a few parts for my M4 but I did not know if I had to have them registered as U.S. made. Or do all I have to do is put the U.S. stamp in the parts. Quote Link to comment Share on other sites More sharing options...
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