I got my ACOG for 80 bucks, it was more expensive because its a 4x32 but thats pretty cheap for a magnifying ACOG replica. I have say, mine is pretty legit and others I have shown it to will say the same.
Got mine here:
http://s299224389.e-shop.info/shop/cate ... =cid%3D%26
There out of stock of my scope but they have another similar one.