AIM Stainless uppers

Anybody have any info on these? Pretty much exactly what I’m thinking for a quasi-longrange gun. 18" lothar-walther barrel, wylde chamber, DD rail, with bcg and all at a good price. I searched for reviews but didn’t really find anything.

http://www.aimsurplus.com/product.aspx?item=XAIMLW18&name=AIM+18"+SS+LW50+.223%2F5.56+Upper+Receiver&groupid=55