07-29-2011, 08:15 AM
Here's a used AA upper that might have a chrome-lined barrel like you were seeking previously. (Ad doesn't specify, but I think the AA Tactical model has a chrome-lined barrel.) And you might have to ask the seller to remove the flash hider if not legal in your area.
http://www.gunbroker.com/Auction/ViewIte...=243202070
http://www.gunbroker.com/Auction/ViewIte...=243202070
Drifter

