Description

Upgrade your AR-15 with the HM Defense 16MBUP556 MonoBloc Upper Receiver. This complete upper combines a 16″ Black Cerakote barrel with a 7075-T6 aluminum black anodized receiver for durability and reliability. Chambered in .223 Rem/5.56 NATO, the barrel features a 1:8″ twist rate and a patented integral machined gas block. The 15″ M-LOK free-float handguard, crafted from 6061-T6 aluminum, supports enhanced accuracy and customization options. Optic-ready and equipped with a patented HMB bolt, Mil-Spec components, and a dust cover adorned with the American Flag, this upper is designed for performance and style.