HM Defense 125MBUP556 MonoBloc Upper – 12.50″ Barrel, Black Cerakote, M-LOK Handguard for AR-15 Pistol

Original price was: $734.99.Current price is: $146.99.

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…

SKU: SK0139576-US20260701-120639
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Description

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.

Details

Caliber: 223 Rem
FireArm: No
Type: Complete
Barrel Length Range: 12″ to 12.99″
Handguard Finish: Black Hard Coat Anodized
Handguards: 10.37″ M-LOK Free-Float
Barrel Length: 12.50″
Twist: 1:8″
Receiver Finish: Black Anodized
Barrel Description: 4150 Chrome Moly Match Grade
Barrel Finish: Black Cerakote
Sights: Optic Ready

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