Lightly used 16" lightweight barrel assy. I don't recall what brand, but it is marked 5.56 Nato 1-9. It has M4 feed ramps, an "F" marked front sight base, A2 flash hider and is NOT chrome lined. Note: it is .625 diameter under sight base. Less than 250 rounds through it. It comes complete with gas tube, pin, and bushmaster handguards, ready to install on your upper.
$185 shipped CONUS, USPS priority. Discreet PP (gift or normal +3%) preferred, but can accept postal money order as well.