THEY'RE FUCKING STOLEN!! The military does not surplus out optics, body armor and gun parts. Those are STOLEN. It doesn't matter if you "got it at a flea market" or "A Marine told me he could take his nightvision home' IT'S STOLEN. Go fence your stupid stolen stuff somewhere else.
http://palmettostatearmory.com/index.php/featured/aimpoint-patrol-rifle-optic-and-black-rear-mbus.html includes MBUS and shipping $ 400