16" AR-15 Carbine Barreled Upper
16" AR-15 Carbine Barreled Upper comes with a HBAR, 1x9 twist chrome moly barrel mounted on mil-spec upper ( flat-top ). Comes fully assembled (minus bolt/carrier and charging handle) with delta ring assembly, forward assist assembly, gas tube assembly, ejection port cover assembly, and heat shielded hand guards.
This AR-15 barreled upper is headspaced, and ready to mount to your lower receiver after installing the bolt carrier group, see options. Once you have an assembled lower with the parts installed and mount the upper, this is an operational firearm 5.56mm.