COlt M4 barrel (14.5), born on date 08/03
KKF A3 FH (about 2" to yield at least 16" OAL) installed by himself.
"F" stamped on FS.
Less than 500 rounds through it
Complete FSB and FS barrel nut, delta ring, gas tune, No HGs, no reciever
$285.00 shipped CONUS