About halfway down. OD receiver though. Imo, the only reason to get one of the colored ones would be to get the receiver to match. Magpul furniture is cheap, but a matching receiver is pretty hard to find.
That website isn't a normal online dealer, so you'll need to call.
There are supposed to be new offerings of the 6920 minus furniture and handguards so you can add your own. They just aren't out yet.