well i just got this the other day but i am building a 5.56 and this is all i could find so i figured i would try to trade it. yankee hill stripped upper marked 6.8 spc looking to trade for a yankee hill or daniel defense stripped upper. it is in brand new condition so i would expect the same out of the upper i trade it for. ftf in beaverton, not going to ship and not going to sell. it is trade only..