Agreed - it's a generic barrel, maybe a factory "second" or a small production company that is starting up.
If you are comfortable going into the build knowing you may have to replace the barrel later, it's a decent price.
I don't like the vague warrenty that doesn't spell out what the barrel return policy is. Most likely, you install it, you own it. It does sound like they will honor the warrenty if the barrel is clearly defective - machining, alignment, threading.
JSE Surplus has Wilson Arms barrels on sale, and a better known company:
http://www.jsesurplus.com/barrels-2.aspx
