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
Other Features: Manufactured from a solid block of billet aluminum will match any brand of lower accepts milspec upper parts made in usa
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