Comes with a heavy match, 1x9 twist chrome moly barrel mounted on mil- spec A-3 Flat Top Upper. 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 is the 16" pre Ban A-3 Flat top barreled upper. This fits on ALL Mil-Spec lower receivers. This barreled upper will mount on the AR-15 or M-16 receivers. THIS Upper Is Not Complete, you will need a bolt carrier, bolt and charging handle or see our complete uppers.