Description
The HM Defense MonoBloc complete upper is configured for the AR-15 platform and chambered in 223 Rem and 5.56x45mm NATO. It pairs a 16″ 4150 Chrome Moly match-grade barrel with a 1:8 twist.
The barrel has a Black Cerakote finish. Its 7075-T6 aluminum receiver is finished in Black Anodized, and the 15″ M-LOK free-float handguard has a Black Hard Coat Anodized finish. This upper is optic ready.
