I just ordered a Remington 11.5 fsp on CDNN. ARFCOM consensus seems to be that it's CHF. Either way, they seem to be good barrels. I'll shave the FSP on my 10.5 CHF FN and use it with a 9" rail on my Geissele upper and put this Remington in my PSA upper. So I'll have a 10.5, 11.5 FSP and a...