http://www.aimsurplus.com/product.aspx?item=XCBC130900&utm_source=AIM+Surplus+Main+List&utm_campaign=a9872e90aa-072920167_29_2016&utm_medium=email&utm_term=0_6870497a6a-a9872e90aa-17927673 My son wants to build an AR with me. Money is tight. Is this a good price for the quality or can I put together a kit for less? Just for the experience I'd prefer the upper be stripped but will consider all. Anyone else sell unassembled kits for a similar price?