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  • HM Defense 125MBUP556 MonoBloc Upper Pistol 223 Rem,5.56x45mm NATO 12.50" Black Cerakote
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  • HM Defense 125MBUP556 MonoBloc Upper Pistol 223 Rem,5.56x45mm NATO 12.50" Black Cerakote

HM Defense 125MBUP556 MonoBloc Upper Pistol 223 Rem,5.56x45mm NATO 12.50" Black Cerakote

MPN: 125MBUP556  |  UPC: 854164007203

PRODUCT DESCRIPTION

The HM Defense 125MBUP556, otherwise known as the MonoBloc Upper, stands out for its impressive features. It sports an HM barrel that incorporates a unique, patented gas block that's machined right into it. This product also utilizes a carbine gas system for optimal functionality. Moreover, it's made of 4150 Chromoly, of match-grade quality, and boasts a tripled honed, button-rifled design.

The handguard of this tool is designed to be free-floating and employs a Picatinny rail. It incorporates Magpul M-LOK features and is constructed from sturdy 6061-T6 aluminum. Both its upper and lower receivers are crafted from robust 7075-T6 aluminum, and are protected with a hard coat anodized finish to ensure longevity.

What makes the MonoBloc Upper even more remarkable is it’s inclusive of a patented HMB bolt, various Mil-Spec components, a charging handle, and a dust cover emblazoned with an American Flag, showcasing a touch of patriotic spirit.

SPECS
Additional No
SKU ACC-HMDEF-125MBUP556
Country of Manufacture No
License Requirement None
Manufacturer HM Defense
Mfg. Part Number 125MBUP556
UPC 854164007203
Caliber/Gauge 5.56x45
Action N/A
Barrel Length 12.5
Barrel Twist 1:8
Barrel Bore Type N/A
Barrel Finish Cerakote
Barrel Fluting No
Barrel Profile No
Mount Type N/A
Beam Color N/A
Firearm Fit AR-15
Threaded Barrel N/A
Condition New
Free Shipping No
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