Guntec ar15 stripped billet upper receiver kit black

FEATURES:
-.223/5.56 Cal
-T6 6061 Billet
-1913 Picatinny Rail Flat Top
-Manufactured From Solid Block of Billet Aluminum
-M4 Feed Ramp
-Will Match up w/ any brand lower receiver
-Accepts Mil-Spec ejection port door kit & forward assist kit (Included)
-Slim profile shell deflector
-Complete kit includes upper receiver, Complete BCG, ejection door assembly, charging handle, forward
assist assembly

Other Features: Manufactured from a solid block of billet aluminum will match any brand of lower accepts milspec upper parts made in usa kit includes complete bcg charging handle dust cover and forward assist