If you can buy the flattop bushmaster for $750.00 Buy as many as he has in stock. Sell the rest on gunbroker or gunauction. If you start them at a penny most seem to be going from $1800 to $2500. After all is said and done you'll be able to keep one that cost you nothing and have a wad of $100s in your pocket. If you don't want to be bothered doing that partner up with an ffl dealer thats local to you chances are he'd jump at the chance because all Distributors are out of stock on every model and brand of AR-15's.
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