AR-9 Billet Upper Receiver 9mm/.45 Stripped

AR 9 Billet Upper Receiver - 9mm/.45 The AR-9 Billet Upper Receiver is a quality, American-made billet upper designed to be used on Pistol Caliber Carbine (PCC) builds. Most often, PCC builds are either 9mm or .45 ACP. This billet upper features a unique design that sets it apart from traditional forged upper receivers. Manufactured to exacting standards on five-axis CNC machines from a solid block of aircraft-grade aluminum, this stripped upper not only looks good... it is built to last. Features No Feedramps Compatible with mil-spec forged lower receivers and most billet lower receivers .250 takedown/pivot pin holes No forward assist Weight: 7.1oz Made in the USA