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1/25/2018 7:38:29 AM
Posted: 9/24/2001 12:30:02 PM EST
Given the proper tools, how hard is it to barrel and headspace the upper? I just purchased a colt military M4 upper, the one with numbered rails. I'd like to purchase the Colt M4 16" barrel and index it myself, can anyone give guidance or should I just send it to someone like JT distributing to have the parts assembled for me?
Link Posted: 9/24/2001 1:07:58 PM EST
might have luck in the build-it-yourself forum. :)
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