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Posted: 3/5/2001 6:52:34 PM EST
This past summer I bought a Armalite DCM competition ar. Along with it, I bought some junk ammo (the wolf .223) and I'm afraid I'll probably ruin my new barrel, soooooo the best thing to do would just buy a junk upper so I can just goof around and not use up alot of money on competition ammo, right? Can I use a colt, bustmaster, etc... upper on my armalite dcm ar?
Any upper will drop on except a large hole Colt which would require offset pin. Try Model 1 Sales or M&A parts for a low cost medium quality upper.
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