HM Defense 12-5MB-556 MonoBloc Barrel 223 Rem,5.56x45mm NATO 12" AR Platform 4150 Chrome Moly Black Cerakote
- SKU: 125MB556
- UPC: 854164007210
- Model: MonoBloc
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The HM MonoBloc rifle barrel is match grade, tripled honed, and button rifled. It is constructed of 4150 chormoly with Mil-Spec M4 feed ramps. The gas block is machined from the solid barrel blank and is integrated into the barrel.
| Manufacturer | HM DEFENSE |
| Pricing Unit | EA |
| Model | MonoBloc |
| UPC | 854164007210 |
| SKU | 125MB556 |
| Width | 4.3000 |
| Length | 20.4000 |
| Height | 3.7000 |
| Weight | 2.1500 |