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AR15.COM
AR Sponsor
10/17/2002 9:00:26 PM EDT
Hey guys. I am going to build an M4. I originally was going to buy a kit with a pre assembled upper. However, I want some custom stuff on the upper. I was just wondering what tools I would need and mostly how hard it would be for me to build a quality upper.

Thanks,
Clint
10/19/2002 5:06:29 AM EDT
[#2]
old.ar15.com/books/TM9-1005-319-10.pdf
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