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HM Defense MonoBloc Upper features a HM barrel with an integral machined patented gas block and a carbine gas system. It is 4150 Chromoly, match grade, tripled honed, and button rifled. The 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.
Specifications
- Manufacturer:
- Hm Defense
- Category:
- upper-receiver
- Caliber:
- .223 Remington
- Platforms:
- AR-15
- Interfaces:
- Magpul M-LOKMIL-STD-1913
- Weight:
- 64 oz (4.00 lbs)
- Length:
- 27.3"
- UPC:
- 854164007227
- MPN:
- 95MBUP556
- Required Component:
- Yes
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