Guntec ar15 stripped billet upper receiver 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
-Slim profile shell deflector
