For all you who got the $159 or $179 lower PSA has your complete upper match for $399.00 with free shipping.
http://palmettostatearmory.com/psa-...15-m-lok-upper-with-bcg-and-ch-516445088.html
http://palmettostatearmory.com/psa-...15-m-lok-upper-with-bcg-and-ch-516445088.html