Has anyone had any dealings with this co.? I'm interested in buying an upper from them, a deal I can't pass up. I don't think I can build an upper cheaper than what they are offering. $500.00 for a match grade 16'' BHW 1-8 twist SS 3 grove polygon barrel, headspaced BCG, squared and bedded bar. to rec.,moe flip up rear site and front flip up site, moe hand guard or yhm ff hand guard. However, they are out of stock at present.