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Mfg Item #: 125MBUP556
The MonoBloc Upper features a HM barrel with an integral machined patented gas block, and a carbine gas system. It is also 4150 Chromoly, match grade, tripled honed, and button rifled. Its handguard is free-floating and uses a Picatinny rail, Magpul M-LOK, and machined from 6061-T6 aluminum. Upper and Lower receiver are made of 7075-T6 aluminum with a hard coat anodized finish. The MonoBloc Upper also includes a patented HMB bolt, Mil-Spec components, charging handle, and a dust cover with an American Flag.
| Type | Complete |
|---|---|
| Twist | 1:8" |
| Sights | Optic Ready |
| Caliber | 223 Rem |
| Handguards | 10.37" M-LOK Free-Float |
| Barrel Finish | Black Cerakote |
| Barrel Length | 12.50" |
| Handguard Finish | Black Hard Coat Anodized |
| Barrel Description | 4150 Chrome Moly Match Grade |
| Barrel Length Range | 12" to 12.99" |