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shinertactical_2026_04_28_08_03_09_230182

Hm Defense 16MBUP556 16 Monobloc Rifle Upper

Name: Hm Defense 16MBUP556 16 Monobloc Rifle Upper
SKU: shine-854164007005
Availability: InStock

Original price was: $650.00.Current price is: $130.00.

Weight 4.7 lbs Dimensions 27.3 × 3.8 × 3 in Model

Monobloc

Hazard ground

2025-02-10t00:00:00+00:00

Type

Complete

Caliber

223 rem

Sights

Optic ready

Barrel length

16 inches

Twist

1:8

Barrel description

4150 chrome moly match grade

Barrel finish

Black cerakote

Handguards

15 m-lok free-float

Handguard finish

Black hard coat anodized

Barrel length range

16 to 16.99 inches

Description
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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 rial, 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.