You just got this AR and you are already replacing the barrel? Sounds like a waste of money unless you've shot the approx 20,000+ rounds that it will take to wear out a carbine barrel. That's about $14,000 worth of ammo at today's prices.
A 1:7 chrome-lined 16" DD barrel will be no better than the 1:7 chrome-lined 16" barrel that came on your M400.
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Last edited by Fishbed77; June 2, 2013 at 09:44 PM.
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