Looking for a carbine length gas 14.5", mid length gas 16", or mid-length 18", chrome lined, cold hammer forged, 1/7 twist, m4 feed ramps. Daniel Defense, spikes, BCM, FN, or similar quality. New preferable, however, barely used would be fine. It doesn't have to be complete barrel assembly, just has to have the FSB installed, but if it is complete, it's a plus. I'm in the New Orleans Metro area if anyone's close by, i can meet up with him.