AR15/M16 FN US. Contract A4 complete upper.

This A4M4 complete upper has a FN hammer forged 16" M4 1-7 twist chrome lined barrel. All parts are US. Mfg. mil. spec. Comes complete with Bolt carrier and charging handle. M4 upper is T marked and has the M4 feed ramp cuts and M4 hand guards. Available with front sight or gas block. FN, Fabrique Nationale d"Herstal, Belgium is the military contractor for the US. govt. There US. factory is in SC. This is the real deal, finest GI. made. 1 year warranty .