Its called "Tactical Acquisitions" & you can get US stuff down the street from any post/base. Usually a store where guys can pawn gear.
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Doesn't look like Dragonskin has very good review. Here are a couple of links.
http://m4carbine.net/showthread.php?...ht=dragon+skin
http://m4carbine.net/showthread.php?...ht=dragon+skin
http://m4carbine.net/showthread.php?...ht=dragon+skin
I guess it comes down to what your life is worth.
As far as selling DS, there are probably a lot of people who would buy it.